285332 has 6 divisors (see below), whose sum is σ = 499338. Its totient is φ = 142664.

The previous prime is 285317. The next prime is 285343. The reversal of 285332 is 233582.

It can be written as a sum of positive squares in only one way, i.e., 234256 + 51076 = 484^2 + 226^2 .

It is a junction number, because it is equal to n+sod(n) for n = 285298 and 285307.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 285332.

It is an unprimeable number.

285332 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 as a sum of consecutive naturals, namely, 35663 + ... + 35670.

It is an arithmetic number, because the mean of its divisors is an integer number (83223).

2²⁸⁵³³² is an apocalyptic number.

It is an amenable number.

285332 is a deficient number, since it is larger than the sum of its proper divisors (214006).

285332 is a wasteful number, since it uses less digits than its factorization.

285332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71337 (or 71335 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 285332 is about 534.1647685874. The cubic root of 285332 is about 65.8339874243.

The spelling of 285332 in words is "two hundred eighty-five thousand, three hundred thirty-two".