How do you write 4,000 in words?
4,000 = four thousand
How to write $4,000 on a check
The most common reason to write 4,000 as four thousand would be if you're writing a check for $4,000. Just below the "pay to the order of" line, you would write the dollar amount in words. In this case, you might write "four thousand and 00/100 dollars."