86194518 has 16 divisors (see below), whose sum is σ = 172508160. Its totient is φ = 28711656.

The previous prime is 86194499. The next prime is 86194541. The reversal of 86194518 is 81549168.

It is a self number, because there is not a number n which added to its sum of digits gives 86194518.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6471 + ... + 14637.

It is an arithmetic number, because the mean of its divisors is an integer number (10781760).

Almost surely, 2^86194518 is an apocalyptic number.

86194518 is an abundant number, since it is smaller than the sum of its proper divisors (86313642).

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

86194518 is a wasteful number, since it uses less digits than its factorization.

86194518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9931.

The product of its digits is 69120, while the sum is 42.

The square root of 86194518 is about 9284.1002795101. The cubic root of 86194518 is about 441.7330376741.

The spelling of 86194518 in words is "eighty-six million, one hundred ninety-four thousand, five hundred eighteen".