286661136 has 20 divisors (see below), whose sum is σ = 740541392. Its totient is φ = 95553696.

The previous prime is 286661107. The next prime is 286661203. The reversal of 286661136 is 631166682.

286661136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 286661094 and 286661103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2986006 + ... + 2986101.

Almost surely, 2^286661136 is an apocalyptic number.

It is an amenable number.

286661136 is an abundant number, since it is smaller than the sum of its proper divisors (453880256).

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

286661136 is a wasteful number, since it uses less digits than its factorization.

286661136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5972118 (or 5972112 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 286661136 is about 16931.0701374721. The cubic root of 286661136 is about 659.3605192600.

The spelling of 286661136 in words is "two hundred eighty-six million, six hundred sixty-one thousand, one hundred thirty-six".