85683 has 10 divisors (see below), whose sum is σ = 123764. Its totient is φ = 52728.

The previous prime is 85669. The next prime is 85691. The reversal of 85683 is 38658.

It is not a de Polignac number, because 85683 - 2⁴ = 85667 is a prime.

It is a Duffinian number.

Its product of digits (5760) is a multiple of the sum of its prime divisors (16).

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 85683.

It is not an unprimeable number, because it can be changed into a prime (85643) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6585 + ... + 6597.

2⁸⁵⁶⁸³ is an apocalyptic number.

85683 is a deficient number, since it is larger than the sum of its proper divisors (38081).

85683 is an frugal number, since it uses more digits than its factorization.

85683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 16 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 85683 is about 292.7165864791. The cubic root of 85683 is about 44.0857487592.

It can be divided in two parts, 856 and 83, that added together give a palindrome (939).

The spelling of 85683 in words is "eighty-five thousand, six hundred eighty-three".