86392491 has 8 divisors (see below), whose sum is σ = 117363600. Its totient is φ = 56508192.

The previous prime is 86392483. The next prime is 86392511. The reversal of 86392491 is 19429368.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86392491 - 2³ = 86392483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86392441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271516 + ... + 271833.

It is an arithmetic number, because the mean of its divisors is an integer number (14670450).

Almost surely, 2^86392491 is an apocalyptic number.

86392491 is a deficient number, since it is larger than the sum of its proper divisors (30971109).

86392491 is a wasteful number, since it uses less digits than its factorization.

86392491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543405.

The product of its digits is 93312, while the sum is 42.

The square root of 86392491 is about 9294.7561022331. The cubic root of 86392491 is about 442.0709723396.

The spelling of 86392491 in words is "eighty-six million, three hundred ninety-two thousand, four hundred ninety-one".