630924 has 72 divisors (see below), whose sum is σ = 1819440. Its totient is φ = 169344.

The previous prime is 630919. The next prime is 630941. The reversal of 630924 is 429036.

It is a junction number, because it is equal to n+sod(n) for n = 630894 and 630903.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 630924.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17034 + ... + 17070.

It is an arithmetic number, because the mean of its divisors is an integer number (25270).

2⁶³⁰⁹²⁴ 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 630924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (909720).

630924 is an abundant number, since it is smaller than the sum of its proper divisors (1188516).

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

630924 is a wasteful number, since it uses less digits than its factorization.

630924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 630924 is about 794.3072453402. The cubic root of 630924 is about 85.7680789314.

The spelling of 630924 in words is "six hundred thirty thousand, nine hundred twenty-four".