28173282 has 8 divisors (see below), whose sum is σ = 56346576. Its totient is φ = 9391092.

The previous prime is 28173259. The next prime is 28173287. The reversal of 28173282 is 28237182.

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

28173282 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (28173287) 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, 2347768 + ... + 2347779.

It is an arithmetic number, because the mean of its divisors is an integer number (7043322).

Almost surely, 2^28173282 is an apocalyptic number.

28173282 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28173282 is a wasteful number, since it uses less digits than its factorization.

28173282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4695552.

The product of its digits is 10752, while the sum is 33.

The square root of 28173282 is about 5307.8509775614. The cubic root of 28173282 is about 304.2840215535.

The spelling of 28173282 in words is "twenty-eight million, one hundred seventy-three thousand, two hundred eighty-two".