86364439 has 4 divisors (see below), whose sum is σ = 98702224. Its totient is φ = 74026656.

The previous prime is 86364433. The next prime is 86364451. The reversal of 86364439 is 93446368.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86364439 - 2¹³ = 86356247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86364395 and 86364404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86364433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6168882 + ... + 6168895.

It is an arithmetic number, because the mean of its divisors is an integer number (24675556).

Almost surely, 2^86364439 is an apocalyptic number.

86364439 is a deficient number, since it is larger than the sum of its proper divisors (12337785).

86364439 is a wasteful number, since it uses less digits than its factorization.

86364439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12337784.

The product of its digits is 373248, while the sum is 43.

The square root of 86364439 is about 9293.2469567961. The cubic root of 86364439 is about 442.0231197341.

The spelling of 86364439 in words is "eighty-six million, three hundred sixty-four thousand, four hundred thirty-nine".