630498924 has 96 divisors (see below), whose sum is σ = 1888185600. Its totient is φ = 179815680.

The previous prime is 630498923. The next prime is 630498929. The reversal of 630498924 is 429894036.

630498924 is a `hidden beast` number, since 630 + 4 + 9 + 8 + 9 + 2 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 630498924.

It is not an unprimeable number, because it can be changed into a prime (630498923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4587 + ... + 35805.

It is an arithmetic number, because the mean of its divisors is an integer number (19668600).

Almost surely, 2^630498924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630498924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944092800).

630498924 is an abundant number, since it is smaller than the sum of its proper divisors (1257686676).

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

630498924 is a wasteful number, since it uses less digits than its factorization.

630498924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31260 (or 31252 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 630498924 is about 25109.7376330379. The cubic root of 630498924 is about 857.4881293282.

The spelling of 630498924 in words is "six hundred thirty million, four hundred ninety-eight thousand, nine hundred twenty-four".