86839320 has 32 divisors (see below), whose sum is σ = 260518320. Its totient is φ = 23157120.

The previous prime is 86839309. The next prime is 86839321. The reversal of 86839320 is 2393868.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86839321) 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, 361711 + ... + 361950.

Almost surely, 2^86839320 is an apocalyptic number.

It is an amenable number.

86839320 is an abundant number, since it is smaller than the sum of its proper divisors (173679000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86839320 is a wasteful number, since it uses less digits than its factorization.

86839320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723675 (or 723671 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 86839320 is about 9318.7617203146. The cubic root of 86839320 is about 442.8318045064.

The spelling of 86839320 in words is "eighty-six million, eight hundred thirty-nine thousand, three hundred twenty".