86396913 has 6 divisors (see below), whose sum is σ = 124795554. Its totient is φ = 57597936.

The previous prime is 86396903. The next prime is 86396953. The reversal of 86396913 is 31969368.

86396913 is a `hidden beast` number, since 8 + 639 + 6 + 9 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52664049 + 33732864 = 7257^2 + 5808^2 .

It is not a de Polignac number, because 86396913 - 2⁸ = 86396657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86396903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4799820 + ... + 4799837.

It is an arithmetic number, because the mean of its divisors is an integer number (20799259).

Almost surely, 2^86396913 is an apocalyptic number.

It is an amenable number.

86396913 is a deficient number, since it is larger than the sum of its proper divisors (38398641).

86396913 is a wasteful number, since it uses less digits than its factorization.

86396913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9599663 (or 9599660 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 86396913 is about 9294.9939752536. The cubic root of 86396913 is about 442.0785146791.

The spelling of 86396913 in words is "eighty-six million, three hundred ninety-six thousand, nine hundred thirteen".