86188 has 12 divisors (see below), whose sum is σ = 156240. Its totient is φ = 41552.

The previous prime is 86183. The next prime is 86197. The reversal of 86188 is 88168.

It is not an unprimeable number, because it can be changed into a prime (86183) by changing a digit.

86188 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 256 + ... + 487.

It is an arithmetic number, because the mean of its divisors is an integer number (13020).

2⁸⁶¹⁸⁸ is an apocalyptic number.

It is an amenable number.

86188 is a deficient number, since it is larger than the sum of its proper divisors (70052).

86188 is a wasteful number, since it uses less digits than its factorization.

86188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 774 counting only the distinct ones).

The product of its digits is 3072, while the sum is 31.

The square root of 86188 is about 293.5779283257. The cubic root of 86188 is about 44.1721902826.

It can be divided in two parts, 861 and 88, that added together give a palindrome (949).

The spelling of 86188 in words is "eighty-six thousand, one hundred eighty-eight".