286956 has 24 divisors (see below), whose sum is σ = 744240. Its totient is φ = 95616.

The previous prime is 286927. The next prime is 286973. The reversal of 286956 is 659682.

286956 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 286956.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 286956.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1221 + ... + 1436.

It is an arithmetic number, because the mean of its divisors is an integer number (31010).

2²⁸⁶⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

286956 is an abundant number, since it is smaller than the sum of its proper divisors (457284).

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

286956 is a wasteful number, since it uses less digits than its factorization.

286956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670 (or 2662 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 286956 is about 535.6827419285. The cubic root of 286956 is about 65.9586517872.

The spelling of 286956 in words is "two hundred eighty-six thousand, nine hundred fifty-six".