634044 has 12 divisors (see below), whose sum is σ = 1479464. Its totient is φ = 211344.

The previous prime is 634031. The next prime is 634061. The reversal of 634044 is 440436.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 634044.

It is a congruent number.

It is an unprimeable number.

634044 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 in 3 ways as a sum of consecutive naturals, for example, 26407 + ... + 26430.

2⁶³⁴⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

634044 is an abundant number, since it is smaller than the sum of its proper divisors (845420).

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

634044 is a wasteful number, since it uses less digits than its factorization.

634044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52844 (or 52842 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 634044 is about 796.2687988362. The cubic root of 634044 is about 85.9092245710.

The spelling of 634044 in words is "six hundred thirty-four thousand, forty-four".