That is the correct spelling of the plural noun "thousands."
Thousand.
I would spell 400,600 as four hundred thousand and six hundred
You can spell $5,000.00 as:five thousand dollars (most appropriate)five thousand dollars and zero cents
You spell it as "one million two hundred fifty thousand".
Five thousand
Eight thousand.
thousand.
six thousand
800 thousand, or 800,000 is "eight hundred thousand."
1000, one thousand, you had it correct.
The number 30,000 is "thirty thousand."
"Ten thousand to twenty thousand"
thousand = 1,000
Ninety thousand.
Forty thousand.
Nineteen thousand
Seventy thousand
Two thousand.