634004 has 12 divisors (see below), whose sum is σ = 1268064. Its totient is φ = 271704.

The previous prime is 634003. The next prime is 634013. The reversal of 634004 is 400436.

634004 is an admirable number.

It is a super-2 number, since 2×634004² = 803922144032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634003) 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, 11294 + ... + 11349.

It is an arithmetic number, because the mean of its divisors is an integer number (105672).

2⁶³⁴⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

634004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

634004 is a wasteful number, since it uses less digits than its factorization.

634004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22654 (or 22652 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 634004 is about 796.2436812936. The cubic root of 634004 is about 85.9074179450.

It can be divided in two parts, 63 and 4004, that multiplied together give a palindrome (252252).

The spelling of 634004 in words is "six hundred thirty-four thousand, four".