86397393 has 16 divisors (see below), whose sum is σ = 116424000. Its totient is φ = 56988480.

The previous prime is 86397379. The next prime is 86397397. The reversal of 86397393 is 39379368.

It is a happy number.

It is not a de Polignac number, because 86397393 - 2⁶ = 86397329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86397397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187183 + ... + 187643.

It is an arithmetic number, because the mean of its divisors is an integer number (7276500).

Almost surely, 2^86397393 is an apocalyptic number.

It is an amenable number.

86397393 is a deficient number, since it is larger than the sum of its proper divisors (30026607).

86397393 is a wasteful number, since it uses less digits than its factorization.

86397393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its digits is 734832, while the sum is 48.

The square root of 86397393 is about 9295.0197955679. The cubic root of 86397393 is about 442.0793333708.

The spelling of 86397393 in words is "eighty-six million, three hundred ninety-seven thousand, three hundred ninety-three".