86006 has 4 divisors (see below), whose sum is σ = 129012. Its totient is φ = 43002.

The previous prime is 85999. The next prime is 86011. The reversal of 86006 is 60068.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 86006.

It is an unprimeable number.

86006 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21500 + ... + 21503.

It is an arithmetic number, because the mean of its divisors is an integer number (32253).

2⁸⁶⁰⁰⁶ is an apocalyptic number.

86006 is a deficient number, since it is larger than the sum of its proper divisors (43006).

86006 is a wasteful number, since it uses less digits than its factorization.

86006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43005.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 86006 is about 293.2677957090. The cubic root of 86006 is about 44.1410761133.

The spelling of 86006 in words is "eighty-six thousand, six".