634944 has 28 divisors (see below), whose sum is σ = 1680464. Its totient is φ = 211584.

The previous prime is 634943. The next prime is 634969. The reversal of 634944 is 449436.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 634944.

It is not an unprimeable number, because it can be changed into a prime (634943) 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, 1462 + ... + 1845.

2⁶³⁴⁹⁴⁴ is an apocalyptic number.

634944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

634944 is an abundant number, since it is smaller than the sum of its proper divisors (1045520).

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

634944 is a wasteful number, since it uses less digits than its factorization.

634944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322 (or 3312 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 634944 is about 796.8337342257. The cubic root of 634944 is about 85.9498535850.

The spelling of 634944 in words is "six hundred thirty-four thousand, nine hundred forty-four".