630464 has 14 divisors (see below), whose sum is σ = 1251204. Its totient is φ = 315200.

The previous prime is 630451. The next prime is 630467. The reversal of 630464 is 464036.

It is not an unprimeable number, because it can be changed into a prime (630467) by changing a digit.

630464 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4862 + ... + 4989.

2⁶³⁰⁴⁶⁴ is an apocalyptic number.

630464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

630464 is a deficient number, since it is larger than the sum of its proper divisors (620740).

630464 is an equidigital number, since it uses as much as digits as its factorization.

630464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9863 (or 9853 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 630464 is about 794.0176320460. The cubic root of 630464 is about 85.7472296645.

The spelling of 630464 in words is "six hundred thirty thousand, four hundred sixty-four".