285336 has 32 divisors (see below), whose sum is σ = 793200. Its totient is φ = 95040.

The previous prime is 285317. The next prime is 285343. The reversal of 285336 is 633582.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445 + ... + 876.

2²⁸⁵³³⁶ is an apocalyptic number.

It is an amenable number.

285336 is an abundant number, since it is smaller than the sum of its proper divisors (507864).

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

285336 is a wasteful number, since it uses less digits than its factorization.

285336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 1326 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 285336 is about 534.1685127373. The cubic root of 285336 is about 65.8342950597.

The spelling of 285336 in words is "two hundred eighty-five thousand, three hundred thirty-six".