118686 has 16 divisors (see below), whose sum is σ = 240768. Its totient is φ = 39000.

The previous prime is 118681. The next prime is 118687. The reversal of 118686 is 686811.

118686 is nontrivially palindromic in base 5.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118681) 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, 711 + ... + 861.

It is an arithmetic number, because the mean of its divisors is an integer number (15048).

2¹¹⁸⁶⁸⁶ is an apocalyptic number.

118686 is an abundant number, since it is smaller than the sum of its proper divisors (122082).

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

118686 is a wasteful number, since it uses less digits than its factorization.

118686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287.

The product of its digits is 2304, while the sum is 30.

The square root of 118686 is about 344.5083453271. The cubic root of 118686 is about 49.1435468561.

The spelling of 118686 in words is "one hundred eighteen thousand, six hundred eighty-six".