630604 has 24 divisors (see below), whose sum is σ = 1212848. Its totient is φ = 285120.

The previous prime is 630593. The next prime is 630607. The reversal of 630604 is 406036.

It is a happy number.

It is a super-2 number, since 2×630604² = 795322809632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (630607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3394 + ... + 3574.

2⁶³⁰⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

630604 is a deficient number, since it is larger than the sum of its proper divisors (582244).

630604 is a wasteful number, since it uses less digits than its factorization.

630604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 630604 is about 794.1057864038. The cubic root of 630604 is about 85.7535761668.

The spelling of 630604 in words is "six hundred thirty thousand, six hundred four".