630865432 has 16 divisors (see below), whose sum is σ = 1186286760. Its totient is φ = 314522304.

The previous prime is 630865397. The next prime is 630865447. The reversal of 630865432 is 234568036.

It is a junction number, because it is equal to n+sod(n) for n = 630865391 and 630865400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110853 + ... + 116404.

Almost surely, 2^630865432 is an apocalyptic number.

It is an amenable number.

630865432 is a deficient number, since it is larger than the sum of its proper divisors (555421328).

630865432 is a wasteful number, since it uses less digits than its factorization.

630865432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227610 (or 227606 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 630865432 is about 25117.0346975912. The cubic root of 630865432 is about 857.6542492960.

The spelling of 630865432 in words is "six hundred thirty million, eight hundred sixty-five thousand, four hundred thirty-two".