285164 has 12 divisors (see below), whose sum is σ = 544488. Its totient is φ = 129600.

The previous prime is 285161. The next prime is 285179. The reversal of 285164 is 461582.

285164 = T₁₄₂ + T₁₄₃ + ... + T₁₆₅.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 285164.

It is not an unprimeable number, because it can be changed into a prime (285161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3197 + ... + 3284.

It is an arithmetic number, because the mean of its divisors is an integer number (45374).

2²⁸⁵¹⁶⁴ is an apocalyptic number.

It is an amenable number.

285164 is a deficient number, since it is larger than the sum of its proper divisors (259324).

285164 is a wasteful number, since it uses less digits than its factorization.

285164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6496 (or 6494 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 285164 is about 534.0074905842. The cubic root of 285164 is about 65.8210641381.

The spelling of 285164 in words is "two hundred eighty-five thousand, one hundred sixty-four".