86396138 has 16 divisors (see below), whose sum is σ = 131729280. Its totient is φ = 42490656.

The previous prime is 86396129. The next prime is 86396153. The reversal of 86396138 is 83169368.

It is a super-2 number, since 2×86396138² = 14928585322630088, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 48581 + ... + 50327.

It is an arithmetic number, because the mean of its divisors is an integer number (8233080).

Almost surely, 2^86396138 is an apocalyptic number.

86396138 is a deficient number, since it is larger than the sum of its proper divisors (45333142).

86396138 is a wasteful number, since it uses less digits than its factorization.

86396138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141.

The product of its digits is 186624, while the sum is 44.

The square root of 86396138 is about 9294.9522860529. The cubic root of 86396138 is about 442.0771928268.

The spelling of 86396138 in words is "eighty-six million, three hundred ninety-six thousand, one hundred thirty-eight".