117838936 has 64 divisors (see below), whose sum is σ = 242104320. Its totient is φ = 53602560.

The previous prime is 117838933. The next prime is 117838949. The reversal of 117838936 is 639838711.

It is a super-2 number, since 2×117838936² = 27772029675224192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117838933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416251 + ... + 416533.

It is an arithmetic number, because the mean of its divisors is an integer number (3782880).

Almost surely, 2^117838936 is an apocalyptic number.

It is an amenable number.

117838936 is an abundant number, since it is smaller than the sum of its proper divisors (124265384).

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

117838936 is a wasteful number, since it uses less digits than its factorization.

117838936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 412 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 117838936 is about 10855.3643881723. The cubic root of 117838936 is about 490.2635483532.

117838936 divided by its sum of digits (46) gives a triangular number (2561716 = T₂₂₆₃).

The spelling of 117838936 in words is "one hundred seventeen million, eight hundred thirty-eight thousand, nine hundred thirty-six".