86380638 has 16 divisors (see below), whose sum is σ = 182923920. Its totient is φ = 27099776.

The previous prime is 86380627. The next prime is 86380643. The reversal of 86380638 is 83608368.

It is a super-2 number, since 2×86380638² = 14923229242574088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86380638.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423333 + ... + 423536.

It is an arithmetic number, because the mean of its divisors is an integer number (11432745).

Almost surely, 2^86380638 is an apocalyptic number.

86380638 is an abundant number, since it is smaller than the sum of its proper divisors (96543282).

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

86380638 is a wasteful number, since it uses less digits than its factorization.

86380638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846891.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 86380638 is about 9294.1184627699. The cubic root of 86380638 is about 442.0507541207.

The spelling of 86380638 in words is "eighty-six million, three hundred eighty thousand, six hundred thirty-eight".