630408 has 16 divisors (see below), whose sum is σ = 1576080. Its totient is φ = 210128.

The previous prime is 630391. The next prime is 630433. The reversal of 630408 is 804036.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 630408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13110 + ... + 13157.

It is an arithmetic number, because the mean of its divisors is an integer number (98505).

2⁶³⁰⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

630408 is an abundant number, since it is smaller than the sum of its proper divisors (945672).

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

630408 is a wasteful number, since it uses less digits than its factorization.

630408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26276 (or 26272 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 630408 is about 793.9823675624. The cubic root of 630408 is about 85.7446908006.

The spelling of 630408 in words is "six hundred thirty thousand, four hundred eight".