634134004 has 12 divisors (see below), whose sum is σ = 1268268064. Its totient is φ = 271771704.

The previous prime is 634134001. The next prime is 634134019. The reversal of 634134004 is 400431436.

It is a happy number.

634134004 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 634134004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634134001) 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, 11323794 + ... + 11323849.

Almost surely, 2^634134004 is an apocalyptic number.

It is an amenable number.

634134004 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.

634134004 is a wasteful number, since it uses less digits than its factorization.

634134004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22647654 (or 22647652 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 634134004 is about 25182.0174727920. The cubic root of 634134004 is about 859.1328938252.

The spelling of 634134004 in words is "six hundred thirty-four million, one hundred thirty-four thousand, four".