438117252 has 24 divisors (see below), whose sum is σ = 1035216000. Its totient is φ = 144190176.

The previous prime is 438117233. The next prime is 438117263. The reversal of 438117252 is 252711834.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230127 + ... + 232022.

It is an arithmetic number, because the mean of its divisors is an integer number (43134000).

Almost surely, 2^438117252 is an apocalyptic number.

It is an amenable number.

438117252 is an abundant number, since it is smaller than the sum of its proper divisors (597098748).

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

438117252 is a wasteful number, since it uses less digits than its factorization.

438117252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462235 (or 462233 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 438117252 is about 20931.2506076441. The cubic root of 438117252 is about 759.5040924599.

The spelling of 438117252 in words is "four hundred thirty-eight million, one hundred seventeen thousand, two hundred fifty-two".