117838536 has 16 divisors (see below), whose sum is σ = 294596400. Its totient is φ = 39279504.

The previous prime is 117838531. The next prime is 117838537. The reversal of 117838536 is 635838711.

It is not an unprimeable number, because it can be changed into a prime (117838531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2454946 + ... + 2454993.

It is an arithmetic number, because the mean of its divisors is an integer number (18412275).

Almost surely, 2^117838536 is an apocalyptic number.

It is an amenable number.

117838536 is an abundant number, since it is smaller than the sum of its proper divisors (176757864).

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

117838536 is a wasteful number, since it uses less digits than its factorization.

117838536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4909948 (or 4909944 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 117838536 is about 10855.3459640861. The cubic root of 117838536 is about 490.2629936253.

The spelling of 117838536 in words is "one hundred seventeen million, eight hundred thirty-eight thousand, five hundred thirty-six".