86384739 has 16 divisors (see below), whose sum is σ = 132111360. Its totient is φ = 49183680.

The previous prime is 86384729. The next prime is 86384759. The reversal of 86384739 is 93748368.

It is not a de Polignac number, because 86384739 - 2⁸ = 86384483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86384729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1419 + ... + 13220.

It is an arithmetic number, because the mean of its divisors is an integer number (8256960).

Almost surely, 2^86384739 is an apocalyptic number.

86384739 is a deficient number, since it is larger than the sum of its proper divisors (45726621).

86384739 is a wasteful number, since it uses less digits than its factorization.

86384739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14930.

The product of its digits is 870912, while the sum is 48.

The square root of 86384739 is about 9294.3390835497. The cubic root of 86384739 is about 442.0577495983.

The spelling of 86384739 in words is "eighty-six million, three hundred eighty-four thousand, seven hundred thirty-nine".