285234633 has 12 divisors (see below), whose sum is σ = 426213060. Its totient is φ = 183599136.

The previous prime is 285234623. The next prime is 285234647. The reversal of 285234633 is 336432582.

It is a happy number.

285234633 is a `hidden beast` number, since 285 + 2 + 346 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 190522809 + 94711824 = 13803^2 + 9732^2 .

It is not a de Polignac number, because 285234633 - 2²⁴ = 268457417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (285234623) 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, 546166 + ... + 546687.

It is an arithmetic number, because the mean of its divisors is an integer number (35517755).

Almost surely, 2^285234633 is an apocalyptic number.

It is an amenable number.

285234633 is a deficient number, since it is larger than the sum of its proper divisors (140978427).

285234633 is a wasteful number, since it uses less digits than its factorization.

285234633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092888 (or 1092885 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 285234633 is about 16888.8908161549. The cubic root of 285234633 is about 658.2649815201.

The spelling of 285234633 in words is "two hundred eighty-five million, two hundred thirty-four thousand, six hundred thirty-three".