286680664 has 32 divisors (see below), whose sum is σ = 566650800. Its totient is φ = 135596160.

The previous prime is 286680649. The next prime is 286680701. The reversal of 286680664 is 466086682.

It is a super-2 number, since 2×286680664² = 164371606222961792, which contains 22 as substring.

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, 178714 + ... + 180310.

Almost surely, 2^286680664 is an apocalyptic number.

It is an amenable number.

286680664 is a deficient number, since it is larger than the sum of its proper divisors (279970136).

286680664 is a wasteful number, since it uses less digits than its factorization.

286680664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803 (or 2799 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 286680664 is about 16931.6468189010. The cubic root of 286680664 is about 659.3754912929.

The spelling of 286680664 in words is "two hundred eighty-six million, six hundred eighty thousand, six hundred sixty-four".