115686 has 12 divisors (see below), whose sum is σ = 250692. Its totient is φ = 38556.

The previous prime is 115679. The next prime is 115693. The reversal of 115686 is 686511.

115686 is nontrivially palindromic in base 5.

It is an interprime number because it is at equal distance from previous prime (115679) and next prime (115693).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3196 + ... + 3231.

It is an arithmetic number, because the mean of its divisors is an integer number (20891).

2¹¹⁵⁶⁸⁶ is an apocalyptic number.

115686 is an abundant number, since it is smaller than the sum of its proper divisors (135006).

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

115686 is a wasteful number, since it uses less digits than its factorization.

115686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6435 (or 6432 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 115686 is about 340.1264470752. The cubic root of 115686 is about 48.7259447396.

The spelling of 115686 in words is "one hundred fifteen thousand, six hundred eighty-six".