117866384 has 20 divisors (see below), whose sum is σ = 231496716. Its totient is φ = 58125312.

The previous prime is 117866381. The next prime is 117866393. The reversal of 117866384 is 483668711.

It can be written as a sum of positive squares in 2 ways, for example, as 23232400 + 94633984 = 4820^2 + 9728^2 .

It is a super-3 number, since 3×117866384³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (117866381) 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, 49289 + ... + 51624.

Almost surely, 2^117866384 is an apocalyptic number.

It is an amenable number.

117866384 is a deficient number, since it is larger than the sum of its proper divisors (113630332).

117866384 is a wasteful number, since it uses less digits than its factorization.

117866384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100994 (or 100988 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 117866384 is about 10856.6285742858. The cubic root of 117866384 is about 490.3016107844.

The spelling of 117866384 in words is "one hundred seventeen million, eight hundred sixty-six thousand, three hundred eighty-four".