630634 has 16 divisors (see below), whose sum is σ = 997920. Its totient is φ = 298480.

The previous prime is 630613. The next prime is 630659. The reversal of 630634 is 436036.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4749 + ... + 4879.

It is an arithmetic number, because the mean of its divisors is an integer number (62370).

2⁶³⁰⁶³⁴ is an apocalyptic number.

630634 is a deficient number, since it is larger than the sum of its proper divisors (367286).

630634 is a wasteful number, since it uses less digits than its factorization.

630634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 630634 is about 794.1246753502. The cubic root of 630634 is about 85.7549360094.

It can be divided in two parts, 63063 and 4, that multiplied together give a palindrome (252252).

The spelling of 630634 in words is "six hundred thirty thousand, six hundred thirty-four".