Q: Is 3,649,221 a Prime Number?
A: No, 3,649,221 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 3649221 can be evenly divided by 1 3 9 47 141 423 8,627 25,881 77,643 405,469 1,216,407 and 3,649,221, with no remainder.
Since 3,649,221 cannot be divided by just 1 and 3,649,221, it is not a prime number.