630910896 has 80 divisors (see below), whose sum is σ = 2032036608. Its totient is φ = 163872000.

The previous prime is 630910871. The next prime is 630910901. The reversal of 630910896 is 698019036.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81655 + ... + 89046.

Almost surely, 2^630910896 is an apocalyptic number.

630910896 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

630910896 is an abundant number, since it is smaller than the sum of its proper divisors (1401125712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630910896 is a wasteful number, since it uses less digits than its factorization.

630910896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170730 (or 170724 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 630910896 is about 25117.9397244280. The cubic root of 630910896 is about 857.6748513950.

It can be divided in two parts, 6309 and 10896, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 630910896 in words is "six hundred thirty million, nine hundred ten thousand, eight hundred ninety-six".