86118 has 16 divisors (see below), whose sum is σ = 178176. Its totient is φ = 27720.

The previous prime is 86117. The next prime is 86131. The reversal of 86118 is 81168.

It is a super-3 number, since 3×86118³ = 1916033334105096, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46 + ... + 417.

It is an arithmetic number, because the mean of its divisors is an integer number (11136).

2⁸⁶¹¹⁸ is an apocalyptic number.

86118 is an abundant number, since it is smaller than the sum of its proper divisors (92058).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89088).

86118 is a wasteful number, since it uses less digits than its factorization.

86118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499.

The product of its digits is 384, while the sum is 24.

The square root of 86118 is about 293.4586853375. The cubic root of 86118 is about 44.1602284829.

Subtracting from 86118 its reverse (81168), we obtain a triangular number (4950 = T₉₉).

The spelling of 86118 in words is "eighty-six thousand, one hundred eighteen".