285036 has 12 divisors (see below), whose sum is σ = 665112. Its totient is φ = 95008.

The previous prime is 285031. The next prime is 285049. The reversal of 285036 is 630582.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 284997 and 285015.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 285036.

It is not an unprimeable number, because it can be changed into a prime (285031) by changing a digit.

285036 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 3 ways as a sum of consecutive naturals, for example, 11865 + ... + 11888.

It is an arithmetic number, because the mean of its divisors is an integer number (55426).

2²⁸⁵⁰³⁶ is an apocalyptic number.

It is an amenable number.

285036 is an abundant number, since it is smaller than the sum of its proper divisors (380076).

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

285036 is a wasteful number, since it uses less digits than its factorization.

285036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23760 (or 23758 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 285036 is about 533.8876286261. The cubic root of 285036 is about 65.8112144176.

The spelling of 285036 in words is "two hundred eighty-five thousand, thirty-six".