28048528 has 20 divisors (see below), whose sum is σ = 54957420. Its totient is φ = 13865984.

The previous prime is 28048511. The next prime is 28048529. The reversal of 28048528 is 82584082.

It can be written as a sum of positive squares in 2 ways, for example, as 4545424 + 23503104 = 2132^2 + 4848^2 .

It is not an unprimeable number, because it can be changed into a prime (28048529) 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, 8425 + ... + 11272.

It is an arithmetic number, because the mean of its divisors is an integer number (2747871).

Almost surely, 2^28048528 is an apocalyptic number.

It is an amenable number.

28048528 is a deficient number, since it is larger than the sum of its proper divisors (26908892).

28048528 is a wasteful number, since it uses less digits than its factorization.

28048528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19794 (or 19788 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 37.

The square root of 28048528 is about 5296.0861020191. The cubic root of 28048528 is about 303.8342240206.

The spelling of 28048528 in words is "twenty-eight million, forty-eight thousand, five hundred twenty-eight".