630884836 has 12 divisors (see below), whose sum is σ = 1118024320. Its totient is φ = 311449320.

The previous prime is 630884831. The next prime is 630884861. The reversal of 630884836 is 638488036.

It is not an unprimeable number, because it can be changed into a prime (630884831) 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, 997920 + ... + 998551.

Almost surely, 2^630884836 is an apocalyptic number.

It is an amenable number.

630884836 is a deficient number, since it is larger than the sum of its proper divisors (487139484).

630884836 is a wasteful number, since it uses less digits than its factorization.

630884836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996554 (or 1996552 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 630884836 is about 25117.4209663333. The cubic root of 630884836 is about 857.6630423770.

The spelling of 630884836 in words is "six hundred thirty million, eight hundred eighty-four thousand, eight hundred thirty-six".