634568 has 16 divisors (see below), whose sum is σ = 1298160. Its totient is φ = 288400.

The previous prime is 634567. The next prime is 634573. The reversal of 634568 is 865436.

634568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (634567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3518 + ... + 3693.

It is an arithmetic number, because the mean of its divisors is an integer number (81135).

2⁶³⁴⁵⁶⁸ is an apocalyptic number.

It is an amenable number.

634568 is an abundant number, since it is smaller than the sum of its proper divisors (663592).

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

634568 is a wasteful number, since it uses less digits than its factorization.

634568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7228 (or 7224 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 634568 is about 796.5977655003. The cubic root of 634568 is about 85.9328843582.

The spelling of 634568 in words is "six hundred thirty-four thousand, five hundred sixty-eight".