28502752 has 12 divisors (see below), whose sum is σ = 56114856. Its totient is φ = 14251360.

The previous prime is 28502731. The next prime is 28502753. The reversal of 28502752 is 25720582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28502753) 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 as a sum of consecutive naturals, namely, 445324 + ... + 445387.

It is an arithmetic number, because the mean of its divisors is an integer number (4676238).

Almost surely, 2^28502752 is an apocalyptic number.

It is an amenable number.

28502752 is a deficient number, since it is larger than the sum of its proper divisors (27612104).

28502752 is an equidigital number, since it uses as much as digits as its factorization.

28502752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890721 (or 890713 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 28502752 is about 5338.7968682092. The cubic root of 28502752 is about 305.4655686429.

The spelling of 28502752 in words is "twenty-eight million, five hundred two thousand, seven hundred fifty-two".