286242656 has 48 divisors (see below), whose sum is σ = 661471776. Its totient is φ = 119356416.

The previous prime is 286242647. The next prime is 286242661. The reversal of 286242656 is 656242682.

It is a super-2 number, since 2×286242656² = 163869716227868672, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 8981 + ... + 25556.

It is an arithmetic number, because the mean of its divisors is an integer number (13780662).

Almost surely, 2^286242656 is an apocalyptic number.

It is an amenable number.

286242656 is an abundant number, since it is smaller than the sum of its proper divisors (375229120).

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

286242656 is a wasteful number, since it uses less digits than its factorization.

286242656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34591 (or 34583 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 286242656 is about 16918.7072792220. The cubic root of 286242656 is about 659.0395089154.

The spelling of 286242656 in words is "two hundred eighty-six million, two hundred forty-two thousand, six hundred fifty-six".