28285182 has 24 divisors (see below), whose sum is σ = 61411896. Its totient is φ = 9408816.

The previous prime is 28285181. The next prime is 28285217. The reversal of 28285182 is 28158282.

It is a happy number.

It is a super-3 number, since 3×28285182³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28285181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9228 + ... + 11904.

It is an arithmetic number, because the mean of its divisors is an integer number (2558829).

Almost surely, 2^28285182 is an apocalyptic number.

28285182 is an abundant number, since it is smaller than the sum of its proper divisors (33126714).

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

28285182 is a wasteful number, since it uses less digits than its factorization.

28285182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272 (or 3269 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 28285182 is about 5318.3815207260. The cubic root of 28285182 is about 304.6863460154.

The spelling of 28285182 in words is "twenty-eight million, two hundred eighty-five thousand, one hundred eighty-two".