634233216 has 64 divisors (see below), whose sum is σ = 1739059200. Its totient is φ = 204587520.

The previous prime is 634233157. The next prime is 634233217. The reversal of 634233216 is 612332436.

It is a tau number, because it is divible by the number of its divisors (64).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634233217) 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, 14736 + ... + 38543.

It is an arithmetic number, because the mean of its divisors is an integer number (27172800).

Almost surely, 2^634233216 is an apocalyptic number.

It is an amenable number.

634233216 is an abundant number, since it is smaller than the sum of its proper divisors (1104825984).

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

634233216 is a wasteful number, since it uses less digits than its factorization.

634233216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53327 (or 53315 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

The square root of 634233216 is about 25183.9872935165. The cubic root of 634233216 is about 859.1776960528.

The spelling of 634233216 in words is "six hundred thirty-four million, two hundred thirty-three thousand, two hundred sixteen".