118986 has 16 divisors (see below), whose sum is σ = 272064. Its totient is φ = 33984.

The previous prime is 118973. The next prime is 119027. The reversal of 118986 is 689811.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375 + ... + 1458.

It is an arithmetic number, because the mean of its divisors is an integer number (17004).

2¹¹⁸⁹⁸⁶ is an apocalyptic number.

118986 is an abundant number, since it is smaller than the sum of its proper divisors (153078).

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

118986 is a wasteful number, since it uses less digits than its factorization.

118986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845.

The product of its digits is 3456, while the sum is 33.

The square root of 118986 is about 344.9434736301. The cubic root of 118986 is about 49.1849183730.

It can be divided in two parts, 1189 and 86, that added together give a triangular number (1275 = T₅₀).

The spelling of 118986 in words is "one hundred eighteen thousand, nine hundred eighty-six".