86324385 has 64 divisors (see below), whose sum is σ = 168832512. Its totient is φ = 36765696.

The previous prime is 86324369. The next prime is 86324389. The reversal of 86324385 is 58342368.

It is not a de Polignac number, because 86324385 - 2⁴ = 86324369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86324389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 244369 + ... + 244721.

It is an arithmetic number, because the mean of its divisors is an integer number (2638008).

Almost surely, 2^86324385 is an apocalyptic number.

86324385 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

86324385 is a deficient number, since it is larger than the sum of its proper divisors (82508127).

86324385 is a wasteful number, since it uses less digits than its factorization.

86324385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522.

The product of its digits is 138240, while the sum is 39.

The square root of 86324385 is about 9291.0917011942. The cubic root of 86324385 is about 441.9547755098.

The spelling of 86324385 in words is "eighty-six million, three hundred twenty-four thousand, three hundred eighty-five".