630323204 has 48 divisors (see below), whose sum is σ = 1291368960. Its totient is φ = 263591040.

The previous prime is 630323189. The next prime is 630323273. The reversal of 630323204 is 402323036.

It is a self number, because there is not a number n which added to its sum of digits gives 630323204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669374 + ... + 670314.

It is an arithmetic number, because the mean of its divisors is an integer number (26903520).

Almost surely, 2^630323204 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 630323204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (645684480).

630323204 is an abundant number, since it is smaller than the sum of its proper divisors (661045756).

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

630323204 is a wasteful number, since it uses less digits than its factorization.

630323204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508 (or 1506 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 630323204 is about 25106.2383482671. The cubic root of 630323204 is about 857.4084613021.

The spelling of 630323204 in words is "six hundred thirty million, three hundred twenty-three thousand, two hundred four".