86396624 has 10 divisors (see below), whose sum is σ = 167393490. Its totient is φ = 43198304.

The previous prime is 86396623. The next prime is 86396647. The reversal of 86396624 is 42669368.

It can be written as a sum of positive squares in only one way, i.e., 69422224 + 16974400 = 8332^2 + 4120^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86396623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2699879 + ... + 2699910.

It is an arithmetic number, because the mean of its divisors is an integer number (16739349).

Almost surely, 2^86396624 is an apocalyptic number.

It is an amenable number.

86396624 is a deficient number, since it is larger than the sum of its proper divisors (80996866).

86396624 is a wasteful number, since it uses less digits than its factorization.

86396624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5399797 (or 5399791 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The square root of 86396624 is about 9294.9784292380. The cubic root of 86396624 is about 442.0780217571.

The spelling of 86396624 in words is "eighty-six million, three hundred ninety-six thousand, six hundred twenty-four".