634544 has 10 divisors (see below), whose sum is σ = 1229460. Its totient is φ = 317264.

The previous prime is 634541. The next prime is 634567. The reversal of 634544 is 445436.

634544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (634541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19814 + ... + 19845.

It is an arithmetic number, because the mean of its divisors is an integer number (122946).

2⁶³⁴⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

634544 is a deficient number, since it is larger than the sum of its proper divisors (594916).

634544 is a wasteful number, since it uses less digits than its factorization.

634544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39667 (or 39661 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 634544 is about 796.5827012935. The cubic root of 634544 is about 85.9318009885.

The spelling of 634544 in words is "six hundred thirty-four thousand, five hundred forty-four".