938724864 has 160 divisors (see below), whose sum is σ = 3118300416. Its totient is φ = 243793920.

The previous prime is 938724859. The next prime is 938724877. The reversal of 938724864 is 468427839.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114304 + ... + 122240.

Almost surely, 2^938724864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 938724864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1559150208).

938724864 is an abundant number, since it is smaller than the sum of its proper divisors (2179575552).

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

938724864 is a wasteful number, since it uses less digits than its factorization.

938724864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7976 (or 7960 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The square root of 938724864 is about 30638.6172011728. The cubic root of 938724864 is about 979.1429630582.

The spelling of 938724864 in words is "nine hundred thirty-eight million, seven hundred twenty-four thousand, eight hundred sixty-four".