286916 has 12 divisors (see below), whose sum is σ = 573888. Its totient is φ = 122952.

The previous prime is 286873. The next prime is 286927. The reversal of 286916 is 619682.

286916 is an admirable number.

It is an unprimeable number.

286916 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5096 + ... + 5151.

It is an arithmetic number, because the mean of its divisors is an integer number (47824).

2²⁸⁶⁹¹⁶ is an apocalyptic number.

It is an amenable number.

286916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

286916 is a wasteful number, since it uses less digits than its factorization.

286916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10258 (or 10256 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 286916 is about 535.6454050956. The cubic root of 286916 is about 65.9555868938.

The spelling of 286916 in words is "two hundred eighty-six thousand, nine hundred sixteen".