85983 has 4 divisors (see below), whose sum is σ = 114648. Its totient is φ = 57320.

The previous prime is 85933. The next prime is 85991. The reversal of 85983 is 38958.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85983 is a prime.

It is a D-number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14328 + ... + 14333.

It is an arithmetic number, because the mean of its divisors is an integer number (28662).

2⁸⁵⁹⁸³ is an apocalyptic number.

85983 is a deficient number, since it is larger than the sum of its proper divisors (28665).

85983 is a wasteful number, since it uses less digits than its factorization.

85983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28664.

The product of its digits is 8640, while the sum is 33.

The square root of 85983 is about 293.2285797803. The cubic root of 85983 is about 44.1371409799.

The spelling of 85983 in words is "eighty-five thousand, nine hundred eighty-three".