86890032 has 60 divisors (see below), whose sum is σ = 251568720. Its totient is φ = 27963264.

The previous prime is 86890019. The next prime is 86890033. The reversal of 86890032 is 23009868.

It is a super-2 number, since 2×86890032² = 15099755321922048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (86890033) 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 11 ways as a sum of consecutive naturals, for example, 6228 + ... + 14579.

It is an arithmetic number, because the mean of its divisors is an integer number (4192812).

Almost surely, 2^86890032 is an apocalyptic number.

It is an amenable number.

86890032 is an abundant number, since it is smaller than the sum of its proper divisors (164678688).

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

86890032 is a wasteful number, since it uses less digits than its factorization.

86890032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20850 (or 20841 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 86890032 is about 9321.4822855595. The cubic root of 86890032 is about 442.9179886469.

The spelling of 86890032 in words is "eighty-six million, eight hundred ninety thousand, thirty-two".