Q: Is 398,439 a Composite Number?
A: Yes, 398,439 is a composite number.
The number 398,439 can be evenly divided by 1 3 9 27 81 4,919 14,757 44,271 132,813 and 398,439, with no remainder.
Since 398,439 cannot be divided by just 1 and 398,439, it is a composite number.