621330604 has 12 divisors (see below), whose sum is σ = 1087887024. Its totient is φ = 310505744.

The previous prime is 621330601. The next prime is 621330617. The reversal of 621330604 is 406033126.

It is not an unprimeable number, because it can be changed into a prime (621330601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30904 + ... + 46879.

It is an arithmetic number, because the mean of its divisors is an integer number (90657252).

Almost surely, 2^621330604 is an apocalyptic number.

It is an amenable number.

621330604 is a deficient number, since it is larger than the sum of its proper divisors (466556420).

621330604 is a wasteful number, since it uses less digits than its factorization.

621330604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79784 (or 79782 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 621330604 is about 24926.5040468976. The cubic root of 621330604 is about 853.3114670639.

The spelling of 621330604 in words is "six hundred twenty-one million, three hundred thirty thousand, six hundred four".