630964400 has 60 divisors (see below), whose sum is σ = 1653711864. Its totient is φ = 229440000.

The previous prime is 630964381. The next prime is 630964403. The reversal of 630964400 is 4469036.

It is not an unprimeable number, because it can be changed into a prime (630964403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67301 + ... + 76100.

Almost surely, 2^630964400 is an apocalyptic number.

It is an amenable number.

630964400 is an abundant number, since it is smaller than the sum of its proper divisors (1022747464).

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

630964400 is a wasteful number, since it uses less digits than its factorization.

630964400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143430 (or 143419 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 630964400 is about 25119.0047573545. The cubic root of 630964400 is about 857.6990955676.

The spelling of 630964400 in words is "six hundred thirty million, nine hundred sixty-four thousand, four hundred".