285004164 has 12 divisors (see below), whose sum is σ = 665009744. Its totient is φ = 95001384.

The previous prime is 285004163. The next prime is 285004169. The reversal of 285004164 is 461400582.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (285004163) 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, 11875162 + ... + 11875185.

Almost surely, 2^285004164 is an apocalyptic number.

It is an amenable number.

285004164 is an abundant number, since it is smaller than the sum of its proper divisors (380005580).

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

285004164 is a wasteful number, since it uses less digits than its factorization.

285004164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23750354 (or 23750352 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 285004164 is about 16882.0663427200. The cubic root of 285004164 is about 658.0876414952.

The spelling of 285004164 in words is "two hundred eighty-five million, four thousand, one hundred sixty-four".