634204 has 6 divisors (see below), whose sum is σ = 1109864. Its totient is φ = 317100.

The previous prime is 634199. The next prime is 634211. The reversal of 634204 is 402436.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 79272 + ... + 79279.

2⁶³⁴²⁰⁴ is an apocalyptic number.

It is an amenable number.

634204 is a deficient number, since it is larger than the sum of its proper divisors (475660).

634204 is a wasteful number, since it uses less digits than its factorization.

634204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158555 (or 158553 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 634204 is about 796.3692610843. The cubic root of 634204 is about 85.9164503155.

It can be divided in two parts, 634 and 204, that added together give a palindrome (838).

The spelling of 634204 in words is "six hundred thirty-four thousand, two hundred four".