630636612 has 24 divisors (see below), whose sum is σ = 1499250816. Its totient is φ = 206245728.

The previous prime is 630636593. The next prime is 630636653. The reversal of 630636612 is 216636036.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495148 + ... + 496419.

It is an arithmetic number, because the mean of its divisors is an integer number (62468784).

Almost surely, 2^630636612 is an apocalyptic number.

It is an amenable number.

630636612 is an abundant number, since it is smaller than the sum of its proper divisors (868614204).

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

630636612 is a wasteful number, since it uses less digits than its factorization.

630636612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991627 (or 991625 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 630636612 is about 25112.4792085529. The cubic root of 630636612 is about 857.5505440433.

The spelling of 630636612 in words is "six hundred thirty million, six hundred thirty-six thousand, six hundred twelve".