630651324 has 24 divisors (see below), whose sum is σ = 1472013648. Its totient is φ = 210146560.

The previous prime is 630651319. The next prime is 630651331. The reversal of 630651324 is 423156036.

It is a junction number, because it is equal to n+sod(n) for n = 630651291 and 630651300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38644 + ... + 52484.

It is an arithmetic number, because the mean of its divisors is an integer number (61333902).

Almost surely, 2^630651324 is an apocalyptic number.

It is an amenable number.

630651324 is an abundant number, since it is smaller than the sum of its proper divisors (841362324).

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

630651324 is a wasteful number, since it uses less digits than its factorization.

630651324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17645 (or 17643 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 630651324 is about 25112.7721289387. The cubic root of 630651324 is about 857.5572125353.

It can be divided in two parts, 6306 and 51324, that added together give a triangular number (57630 = T₃₃₉).

The spelling of 630651324 in words is "six hundred thirty million, six hundred fifty-one thousand, three hundred twenty-four".