86604 has 24 divisors (see below), whose sum is σ = 231168. Its totient is φ = 24720.

The previous prime is 86599. The next prime is 86627. The reversal of 86604 is 40668.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432 + ... + 599.

It is an arithmetic number, because the mean of its divisors is an integer number (9632).

2⁸⁶⁶⁰⁴ is an apocalyptic number.

86604 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

86604 is an abundant number, since it is smaller than the sum of its proper divisors (144564).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115584).

86604 is a wasteful number, since it uses less digits than its factorization.

86604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 86604 is about 294.2855755894. The cubic root of 86604 is about 44.2431442665.

The spelling of 86604 in words is "eighty-six thousand, six hundred four".