285008704 has 28 divisors (see below), whose sum is σ = 575157600. Its totient is φ = 140087168.

The previous prime is 285008681. The next prime is 285008707. The reversal of 285008704 is 407800582.

It is a super-2 number, since 2×285008704² = 162459922711519232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 285008704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285008707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33964 + ... + 41515.

Almost surely, 2^285008704 is an apocalyptic number.

It is an amenable number.

285008704 is an abundant number, since it is smaller than the sum of its proper divisors (290148896).

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

285008704 is an equidigital number, since it uses as much as digits as its factorization.

285008704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75550 (or 75540 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 285008704 is about 16882.2008043975. The cubic root of 285008704 is about 658.0911358325.

The spelling of 285008704 in words is "two hundred eighty-five million, eight thousand, seven hundred four".