86606 has 8 divisors (see below), whose sum is σ = 139944. Its totient is φ = 39960.

The previous prime is 86599. The next prime is 86627. The reversal of 86606 is 60668.

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 3331 = 86606 / (8 + 6 + 6 + 0 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640 + ... + 1691.

It is an arithmetic number, because the mean of its divisors is an integer number (17493).

2⁸⁶⁶⁰⁶ is an apocalyptic number.

86606 is a deficient number, since it is larger than the sum of its proper divisors (53338).

86606 is a wasteful number, since it uses less digits than its factorization.

86606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 86606 is about 294.2889736297. The cubic root of 86606 is about 44.2434848420.

The spelling of 86606 in words is "eighty-six thousand, six hundred six".