938144432 has 20 divisors (see below), whose sum is σ = 1880333520. Its totient is φ = 452897088.

The previous prime is 938144423. The next prime is 938144489. The reversal of 938144432 is 234441839.

It is a super-2 number, since 2×938144432² = 1760229950585205248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010468 + ... + 1011395.

It is an arithmetic number, because the mean of its divisors is an integer number (94016676).

Almost surely, 2^938144432 is an apocalyptic number.

It is an amenable number.

938144432 is an abundant number, since it is smaller than the sum of its proper divisors (942189088).

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

938144432 is a wasteful number, since it uses less digits than its factorization.

938144432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021900 (or 2021894 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 938144432 is about 30629.1435074505. The cubic root of 938144432 is about 978.9411136821.

The spelling of 938144432 in words is "nine hundred thirty-eight million, one hundred forty-four thousand, four hundred thirty-two".