86392490 has 8 divisors (see below), whose sum is σ = 155506500. Its totient is φ = 34556992.

The previous prime is 86392483. The next prime is 86392511. The reversal of 86392490 is 9429368.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 85507009 + 885481 = 9247^2 + 941^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4319615 + ... + 4319634.

Almost surely, 2^86392490 is an apocalyptic number.

86392490 is a deficient number, since it is larger than the sum of its proper divisors (69114010).

86392490 is a wasteful number, since it uses less digits than its factorization.

86392490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8639256.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 86392490 is about 9294.7560484394. The cubic root of 86392490 is about 442.0709706340.

The spelling of 86392490 in words is "eighty-six million, three hundred ninety-two thousand, four hundred ninety".