286768669 has 12 divisors (see below), whose sum is σ = 328916448. Its totient is φ = 249361640.

The previous prime is 286768663. The next prime is 286768679. The reversal of 286768669 is 966867682.

It is a de Polignac number, because none of the positive numbers 2^k-286768669 is a prime.

It is a super-2 number, since 2×286768669² = 164472539040063122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286768663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48739 + ... + 54304.

It is an arithmetic number, because the mean of its divisors is an integer number (27409704).

Almost surely, 2^286768669 is an apocalyptic number.

It is an amenable number.

286768669 is a deficient number, since it is larger than the sum of its proper divisors (42147779).

286768669 is a wasteful number, since it uses less digits than its factorization.

286768669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103088 (or 103077 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 58.

The square root of 286768669 is about 16934.2454511561. The cubic root of 286768669 is about 659.4429559095.

The spelling of 286768669 in words is "two hundred eighty-six million, seven hundred sixty-eight thousand, six hundred sixty-nine".