285192 has 48 divisors (see below), whose sum is σ = 821340. Its totient is φ = 89088.

The previous prime is 285191. The next prime is 285199. The reversal of 285192 is 291582.

It can be written as a sum of positive squares in 2 ways, for example, as 285156 + 36 = 534^2 + 6^2 .

It is not an unprimeable number, because it can be changed into a prime (285191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1108 + ... + 1340.

2²⁸⁵¹⁹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410670).

285192 is an abundant number, since it is smaller than the sum of its proper divisors (536148).

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

285192 is a wasteful number, since it uses less digits than its factorization.

285192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 255 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 285192 is about 534.0337068014. The cubic root of 285192 is about 65.8232183715.

The spelling of 285192 in words is "two hundred eighty-five thousand, one hundred ninety-two".