85286 has 4 divisors (see below), whose sum is σ = 127932. Its totient is φ = 42642.

The previous prime is 85259. The next prime is 85297. The reversal of 85286 is 68258.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68258 = 2 ⋅34129.

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 85286.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21320 + ... + 21323.

It is an arithmetic number, because the mean of its divisors is an integer number (31983).

2⁸⁵²⁸⁶ is an apocalyptic number.

85286 is a deficient number, since it is larger than the sum of its proper divisors (42646).

85286 is a wasteful number, since it uses less digits than its factorization.

85286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42645.

The product of its digits is 3840, while the sum is 29.

The square root of 85286 is about 292.0376688032. The cubic root of 85286 is about 44.0175549785.

It can be divided in two parts, 85 and 286, that multiplied together give a triangular number (24310 = T₂₂₀).

The spelling of 85286 in words is "eighty-five thousand, two hundred eighty-six".