Is -4 a whole number

Answer 1

Yes, 4 is a whole number.
A whole number can't be a fraction of a number, a percentage, or have a decimal.
Whole numbers are; 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 etc.

Answer 2

-4 is actually not a whole number.
Whole numbers are all the natural numbers (1, 2, 3, 4, 5, etc.) and 0.
As you can see it is all the positive numbers and 0.