285282 has 24 divisors (see below), whose sum is σ = 642096. Its totient is φ = 94932.

The previous prime is 285281. The next prime is 285283. The reversal of 285282 is 282582.

It is an interprime number because it is at equal distance from previous prime (285281) and next prime (285283).

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

It is not an unprimeable number, because it can be changed into a prime (285281) 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, 193 + ... + 779.

It is an arithmetic number, because the mean of its divisors is an integer number (26754).

2²⁸⁵²⁸² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321048).

285282 is an abundant number, since it is smaller than the sum of its proper divisors (356814).

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

285282 is an equidigital number, since it uses as much as digits as its factorization.

285282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 592 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 285282 is about 534.1179644985. The cubic root of 285282 is about 65.8301417385.

The spelling of 285282 in words is "two hundred eighty-five thousand, two hundred eighty-two".