86009 has 8 divisors (see below), whose sum is σ = 107328. Its totient is φ = 66960.

The previous prime is 85999. The next prime is 86011. The reversal of 86009 is 90068.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86009 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 86009.

It is not an unprimeable number, because it can be changed into a prime (86029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482 + ... + 635.

It is an arithmetic number, because the mean of its divisors is an integer number (13416).

2⁸⁶⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

86009 is a deficient number, since it is larger than the sum of its proper divisors (21319).

86009 is a wasteful number, since it uses less digits than its factorization.

86009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 86009 is about 293.2729104435. The cubic root of 86009 is about 44.1415893399.

The spelling of 86009 in words is "eighty-six thousand, nine".