285108 has 24 divisors (see below), whose sum is σ = 694848. Its totient is φ = 90816.

The previous prime is 285101. The next prime is 285113. The reversal of 285108 is 801582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285101) by changing a digit.

285108 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241 + ... + 792.

It is an arithmetic number, because the mean of its divisors is an integer number (28952).

2²⁸⁵¹⁰⁸ is an apocalyptic number.

It is an amenable number.

285108 is an abundant number, since it is smaller than the sum of its proper divisors (409740).

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

285108 is a wasteful number, since it uses less digits than its factorization.

285108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 285108 is about 533.9550542883. The cubic root of 285108 is about 65.8167552481.

It can be divided in two parts, 285 and 108, that added together give a palindrome (393).

The spelling of 285108 in words is "two hundred eighty-five thousand, one hundred eight".