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What is the number n where if the sum of the digits of the number is divisible by n the number itself is divisible by n?

Updated: 9/18/2023

Wiki User

13y ago

3 and 9.

93 has a digit sum of 12, initially, which is divisible by 3, but not by 9. So 93 is divisible by 3, but not by 9.

99 has a digit sum of 18, initially, which is divisible by 3 and 9. So 99 is divisible by both 3 and 9.

Wiki User

13y ago

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Q: What is the number n where if the sum of the digits of the number is divisible by n the number itself is divisible by n?
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Since the sum of the digits is divisible by 3, the original number is also divisible by 3.Since the sum of the digits is divisible by 3, the original number is also divisible by 3.Since the sum of the digits is divisible by 3, the original number is also divisible by 3.Since the sum of the digits is divisible by 3, the original number is also divisible by 3.

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