285304964 has 24 divisors (see below), whose sum is σ = 571988928. Its totient is φ = 121978080.

The previous prime is 285304963. The next prime is 285304967. The reversal of 285304964 is 469403582.

It is not an unprimeable number, because it can be changed into a prime (285304963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314 + ... + 23889.

It is an arithmetic number, because the mean of its divisors is an integer number (23832872).

Almost surely, 2^285304964 is an apocalyptic number.

It is an amenable number.

285304964 is an abundant number, since it is smaller than the sum of its proper divisors (286683964).

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

285304964 is a wasteful number, since it uses less digits than its factorization.

285304964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24635 (or 24633 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 285304964 is about 16890.9728553450. The cubic root of 285304964 is about 658.3190804085.

The spelling of 285304964 in words is "two hundred eighty-five million, three hundred four thousand, nine hundred sixty-four".