117339986 has 16 divisors (see below), whose sum is σ = 180543168. Its totient is φ = 57174000.

The previous prime is 117339983. The next prime is 117340009. The reversal of 117339986 is 689933711.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 117339986.

It is not an unprimeable number, because it can be changed into a prime (117339983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12341 + ... + 19671.

It is an arithmetic number, because the mean of its divisors is an integer number (11283948).

Almost surely, 2^117339986 is an apocalyptic number.

117339986 is a deficient number, since it is larger than the sum of its proper divisors (63203182).

117339986 is a wasteful number, since it uses less digits than its factorization.

117339986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7537.

The product of its digits is 244944, while the sum is 47.

The square root of 117339986 is about 10832.3582843257. The cubic root of 117339986 is about 489.5706164861.

The spelling of 117339986 in words is "one hundred seventeen million, three hundred thirty-nine thousand, nine hundred eighty-six".