634704 has 40 divisors (see below), whose sum is σ = 1874880. Its totient is φ = 181248.

The previous prime is 634703. The next prime is 634709. The reversal of 634704 is 407436.

634704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609 + ... + 1280.

It is an arithmetic number, because the mean of its divisors is an integer number (46872).

2⁶³⁴⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

634704 is an abundant number, since it is smaller than the sum of its proper divisors (1240176).

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

634704 is a wasteful number, since it uses less digits than its factorization.

634704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907 (or 1901 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 634704 is about 796.6831239583. The cubic root of 634704 is about 85.9390229372.

The spelling of 634704 in words is "six hundred thirty-four thousand, seven hundred four".