938541864 has 128 divisors (see below), whose sum is σ = 2722406400. Its totient is φ = 267252480.

The previous prime is 938541809. The next prime is 938541893. The reversal of 938541864 is 468145839.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220347 + ... + 224565.

It is an arithmetic number, because the mean of its divisors is an integer number (21268800).

Almost surely, 2^938541864 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 938541864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1361203200).

938541864 is an abundant number, since it is smaller than the sum of its proper divisors (1783864536).

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

938541864 is a wasteful number, since it uses less digits than its factorization.

938541864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295 (or 4291 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 938541864 is about 30635.6306284039. The cubic root of 938541864 is about 979.0793324837.

The spelling of 938541864 in words is "nine hundred thirty-eight million, five hundred forty-one thousand, eight hundred sixty-four".