86388234 has 8 divisors (see below), whose sum is σ = 172776480. Its totient is φ = 28796076.

The previous prime is 86388233. The next prime is 86388283. The reversal of 86388234 is 43288368.

It is a sphenic number, since it is the product of 3 distinct primes.

86388234 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (86388233) 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 3 ways as a sum of consecutive naturals, for example, 7199014 + ... + 7199025.

It is an arithmetic number, because the mean of its divisors is an integer number (21597060).

Almost surely, 2^86388234 is an apocalyptic number.

86388234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

86388234 is a wasteful number, since it uses less digits than its factorization.

86388234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14398044.

The product of its digits is 221184, while the sum is 42.

The square root of 86388234 is about 9294.5270993203. The cubic root of 86388234 is about 442.0637111876.

The spelling of 86388234 in words is "eighty-six million, three hundred eighty-eight thousand, two hundred thirty-four".