86686194 has 48 divisors (see below), whose sum is σ = 206398368. Its totient is φ = 24187968.

The previous prime is 86686181. The next prime is 86686207. The reversal of 86686194 is 49168668.

It is an interprime number because it is at equal distance from previous prime (86686181) and next prime (86686207).

Its product of digits (497664) is a multiple of the sum of its prime divisors (6912).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9214 + ... + 16070.

It is an arithmetic number, because the mean of its divisors is an integer number (4299966).

Almost surely, 2^86686194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86686194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103199184).

86686194 is an abundant number, since it is smaller than the sum of its proper divisors (119712174).

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

86686194 is a wasteful number, since it uses less digits than its factorization.

86686194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6919 (or 6912 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 86686194 is about 9310.5420894811. The cubic root of 86686194 is about 442.5713658077.

The spelling of 86686194 in words is "eighty-six million, six hundred eighty-six thousand, one hundred ninety-four".