634630 has 8 divisors (see below), whose sum is σ = 1142352. Its totient is φ = 253848.

The previous prime is 634609. The next prime is 634643. The reversal of 634630 is 36436.

634630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 31722 + ... + 31741.

It is an arithmetic number, because the mean of its divisors is an integer number (142794).

2⁶³⁴⁶³⁰ is an apocalyptic number.

634630 is a deficient number, since it is larger than the sum of its proper divisors (507722).

634630 is a wasteful number, since it uses less digits than its factorization.

634630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63470.

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

The square root of 634630 is about 796.6366800493. The cubic root of 634630 is about 85.9356829368.

The spelling of 634630 in words is "six hundred thirty-four thousand, six hundred thirty".