86320393 has 4 divisors (see below), whose sum is σ = 88327888. Its totient is φ = 84312900.

The previous prime is 86320387. The next prime is 86320427. The reversal of 86320393 is 39302368.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86320393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86320303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003683 + ... + 1003768.

It is an arithmetic number, because the mean of its divisors is an integer number (22081972).

Almost surely, 2^86320393 is an apocalyptic number.

It is an amenable number.

86320393 is a deficient number, since it is larger than the sum of its proper divisors (2007495).

86320393 is a wasteful number, since it uses less digits than its factorization.

86320393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007494.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 86320393 is about 9290.8768692734. The cubic root of 86320393 is about 441.9479627934.

The spelling of 86320393 in words is "eighty-six million, three hundred twenty thousand, three hundred ninety-three".