285352 has 16 divisors (see below), whose sum is σ = 545940. Its totient is φ = 139776.

The previous prime is 285343. The next prime is 285377. The reversal of 285352 is 253582.

It can be written as a sum of positive squares in 2 ways, for example, as 285156 + 196 = 534^2 + 14^2 .

It is an unprimeable number.

285352 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, 88 + ... + 760.

2²⁸⁵³⁵² is an apocalyptic number.

It is an amenable number.

285352 is a deficient number, since it is larger than the sum of its proper divisors (260588).

285352 is a wasteful number, since it uses less digits than its factorization.

285352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 728 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 285352 is about 534.1834890747. The cubic root of 285352 is about 65.8355255728.

The spelling of 285352 in words is "two hundred eighty-five thousand, three hundred fifty-two".