28717852 has 12 divisors (see below), whose sum is σ = 50298696. Its totient is φ = 14346800.

The previous prime is 28717849. The next prime is 28717853. The reversal of 28717852 is 25871782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28717853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4227 + ... + 8677.

It is an arithmetic number, because the mean of its divisors is an integer number (4191558).

Almost surely, 2^28717852 is an apocalyptic number.

It is an amenable number.

28717852 is a deficient number, since it is larger than the sum of its proper divisors (21580844).

28717852 is a wasteful number, since it uses less digits than its factorization.

28717852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068 (or 6066 counting only the distinct ones).

The product of its digits is 62720, while the sum is 40.

The square root of 28717852 is about 5358.9039924223. The cubic root of 28717852 is about 306.2320565914.

The spelling of 28717852 in words is "twenty-eight million, seven hundred seventeen thousand, eight hundred fifty-two".