86423393 has 32 divisors (see below), whose sum is σ = 109900800. Its totient is φ = 66253824.

The previous prime is 86423387. The next prime is 86423429. The reversal of 86423393 is 39332468.

It is not a de Polignac number, because 86423393 - 2⁶ = 86423329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86423303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272471 + ... + 272787.

It is an arithmetic number, because the mean of its divisors is an integer number (3434400).

Almost surely, 2^86423393 is an apocalyptic number.

It is an amenable number.

86423393 is a deficient number, since it is larger than the sum of its proper divisors (23477407).

86423393 is a wasteful number, since it uses less digits than its factorization.

86423393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449.

The product of its digits is 93312, while the sum is 38.

The square root of 86423393 is about 9296.4182887820. The cubic root of 86423393 is about 442.1236746388.

The spelling of 86423393 in words is "eighty-six million, four hundred twenty-three thousand, three hundred ninety-three".