28282 has 8 divisors (see below), whose sum is σ = 43200. Its totient is φ = 13884.

The previous prime is 28279. The next prime is 28283.

28282 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

28282 is an undulating number in base 10.

It is a plaindrome in base 12.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69 + ... + 247.

It is an arithmetic number, because the mean of its divisors is an integer number (5400).

2²⁸²⁸² is an apocalyptic number.

28282 is a deficient number, since it is larger than the sum of its proper divisors (14918).

28282 is a wasteful number, since it uses less digits than its factorization.

28282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260.

The product of its digits is 512, while the sum is 22.

The square root of 28282 is about 168.1725304561. The cubic root of 28282 is about 30.4674920147.

The spelling of 28282 in words is "twenty-eight thousand, two hundred eighty-two".