28382208 has 44 divisors (see below), whose sum is σ = 75657120. Its totient is φ = 9459712.

The previous prime is 28382203. The next prime is 28382227. The reversal of 28382208 is 80228382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28382203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1548 + ... + 7691.

It is an arithmetic number, because the mean of its divisors is an integer number (1719480).

Almost surely, 2^28382208 is an apocalyptic number.

It is an amenable number.

28382208 is an abundant number, since it is smaller than the sum of its proper divisors (47274912).

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

28382208 is an equidigital number, since it uses as much as digits as its factorization.

28382208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9262 (or 9244 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 28382208 is about 5327.4954716076. The cubic root of 28382208 is about 305.0343345742.

The spelling of 28382208 in words is "twenty-eight million, three hundred eighty-two thousand, two hundred eight".