86392289 has 8 divisors (see below), whose sum is σ = 90559392. Its totient is φ = 82323360.

The previous prime is 86392277. The next prime is 86392307. The reversal of 86392289 is 98229368.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86392289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86392219) 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, 22739 + ... + 26264.

It is an arithmetic number, because the mean of its divisors is an integer number (11319924).

Almost surely, 2^86392289 is an apocalyptic number.

It is an amenable number.

86392289 is a deficient number, since it is larger than the sum of its proper divisors (4167103).

86392289 is a wasteful number, since it uses less digits than its factorization.

86392289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49087.

The product of its digits is 373248, while the sum is 47.

The square root of 86392289 is about 9294.7452358846. The cubic root of 86392289 is about 442.0706277942.

The spelling of 86392289 in words is "eighty-six million, three hundred ninety-two thousand, two hundred eighty-nine".