286772 has 6 divisors (see below), whose sum is σ = 501858. Its totient is φ = 143384.

The previous prime is 286771. The next prime is 286777. The reversal of 286772 is 277682.

It can be written as a sum of positive squares in only one way, i.e., 206116 + 80656 = 454^2 + 284^2 .

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 286772.

It is not an unprimeable number, because it can be changed into a prime (286771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35843 + ... + 35850.

It is an arithmetic number, because the mean of its divisors is an integer number (83643).

2²⁸⁶⁷⁷² is an apocalyptic number.

It is an amenable number.

286772 is a deficient number, since it is larger than the sum of its proper divisors (215086).

286772 is a wasteful number, since it uses less digits than its factorization.

286772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71697 (or 71695 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 286772 is about 535.5109709427. The cubic root of 286772 is about 65.9445509182.

The spelling of 286772 in words is "two hundred eighty-six thousand, seven hundred seventy-two".