286284 has 12 divisors (see below), whose sum is σ = 668024. Its totient is φ = 95424.

The previous prime is 286249. The next prime is 286289. The reversal of 286284 is 482682.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11917 + ... + 11940.

2²⁸⁶²⁸⁴ is an apocalyptic number.

It is an amenable number.

286284 is an abundant number, since it is smaller than the sum of its proper divisors (381740).

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

286284 is a wasteful number, since it uses less digits than its factorization.

286284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23864 (or 23862 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 286284 is about 535.0551373457. The cubic root of 286284 is about 65.9071237261.

The spelling of 286284 in words is "two hundred eighty-six thousand, two hundred eighty-four".