85982 has 8 divisors (see below), whose sum is σ = 138936. Its totient is φ = 39672.

The previous prime is 85933. The next prime is 85991. The reversal of 85982 is 28958.

It is a sphenic number, since it is the product of 3 distinct 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 85982.

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, 1628 + ... + 1679.

It is an arithmetic number, because the mean of its divisors is an integer number (17367).

2⁸⁵⁹⁸² is an apocalyptic number.

85982 is a deficient number, since it is larger than the sum of its proper divisors (52954).

85982 is a wasteful number, since it uses less digits than its factorization.

85982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322.

The product of its digits is 5760, while the sum is 32.

The square root of 85982 is about 293.2268746210. The cubic root of 85982 is about 44.1369698712.

The spelling of 85982 in words is "eighty-five thousand, nine hundred eighty-two".