86286 has 16 divisors (see below), whose sum is σ = 175824. Its totient is φ = 28224.

The previous prime is 86269. The next prime is 86287. The reversal of 86286 is 68268.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86287) by changing a digit.

86286 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340 + ... + 536.

It is an arithmetic number, because the mean of its divisors is an integer number (10989).

2⁸⁶²⁸⁶ is an apocalyptic number.

86286 is an abundant number, since it is smaller than the sum of its proper divisors (89538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87912).

86286 is a wasteful number, since it uses less digits than its factorization.

86286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275.

The product of its digits is 4608, while the sum is 30.

The square root of 86286 is about 293.7447871878. The cubic root of 86286 is about 44.1889259263.

The spelling of 86286 in words is "eighty-six thousand, two hundred eighty-six".