630913924 has 27 divisors (see below), whose sum is σ = 1167033861. Its totient is φ = 298401840.

The previous prime is 630913919. The next prime is 630913939. The reversal of 630913924 is 429319036.

The square root of 630913924 is 25118.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 500953924 + 129960000 = 22382^2 + 11400^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 954154 + ... + 954814.

Almost surely, 2^630913924 is an apocalyptic number.

630913924 is the 25118-th square number.

It is an amenable number.

630913924 is a deficient number, since it is larger than the sum of its proper divisors (536119937).

630913924 is an equidigital number, since it uses as much as digits as its factorization.

630913924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The cubic root of 630913924 is about 857.6762235038.

The spelling of 630913924 in words is "six hundred thirty million, nine hundred thirteen thousand, nine hundred twenty-four".