630930944 has 40 divisors (see below), whose sum is σ = 1440727728. Its totient is φ = 270397440.

The previous prime is 630930943. The next prime is 630930947. The reversal of 630930944 is 449039036.

It is a super-2 number, since 2×630930944² = 796147712193462272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 630930898 and 630930907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630930943) 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 3 ways as a sum of consecutive naturals, for example, 84437 + ... + 91604.

Almost surely, 2^630930944 is an apocalyptic number.

630930944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

630930944 is an abundant number, since it is smaller than the sum of its proper divisors (809796784).

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

630930944 is an equidigital number, since it uses as much as digits as its factorization.

630930944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176066 (or 176050 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 630930944 is about 25118.3387985750. The cubic root of 630930944 is about 857.6839358702.

The spelling of 630930944 in words is "six hundred thirty million, nine hundred thirty thousand, nine hundred forty-four".