86238913 has 4 divisors (see below), whose sum is σ = 87076288. Its totient is φ = 85401540.

The previous prime is 86238871. The next prime is 86238941. The reversal of 86238913 is 31983268.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86238913 - 2⁹ = 86238401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86238013) 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, 418533 + ... + 418738.

It is an arithmetic number, because the mean of its divisors is an integer number (21769072).

Almost surely, 2^86238913 is an apocalyptic number.

It is an amenable number.

86238913 is a deficient number, since it is larger than the sum of its proper divisors (837375).

86238913 is a wasteful number, since it uses less digits than its factorization.

86238913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837374.

The product of its digits is 62208, while the sum is 40.

The square root of 86238913 is about 9286.4908873051. The cubic root of 86238913 is about 441.8088637349.

The spelling of 86238913 in words is "eighty-six million, two hundred thirty-eight thousand, nine hundred thirteen".