286860252 has 48 divisors (see below), whose sum is σ = 805226240. Its totient is φ = 77645952.

The previous prime is 286860251. The next prime is 286860269. The reversal of 286860252 is 252068682.

It is a self number, because there is not a number n which added to its sum of digits gives 286860252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286860251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88273 + ... + 91464.

Almost surely, 2^286860252 is an apocalyptic number.

It is an amenable number.

286860252 is an abundant number, since it is smaller than the sum of its proper divisors (518365988).

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

286860252 is a wasteful number, since it uses less digits than its factorization.

286860252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179770 (or 179768 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 286860252 is about 16936.9493120810. The cubic root of 286860252 is about 659.5131487662.

The spelling of 286860252 in words is "two hundred eighty-six million, eight hundred sixty thousand, two hundred fifty-two".