28082548 has 24 divisors (see below), whose sum is σ = 53078760. Its totient is φ = 12923520.

The previous prime is 28082543. The next prime is 28082557. The reversal of 28082548 is 84528082.

It can be written as a sum of positive squares in 4 ways, for example, as 5253264 + 22829284 = 2292^2 + 4778^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28082543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25938 + ... + 26998.

It is an arithmetic number, because the mean of its divisors is an integer number (2211615).

Almost surely, 2^28082548 is an apocalyptic number.

It is an amenable number.

28082548 is a deficient number, since it is larger than the sum of its proper divisors (24996212).

28082548 is a wasteful number, since it uses less digits than its factorization.

28082548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587 (or 1585 counting only the distinct ones).

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

The square root of 28082548 is about 5299.2969344999. The cubic root of 28082548 is about 303.9570143515.

It can be divided in two parts, 2808 and 2548, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 28082548 in words is "twenty-eight million, eighty-two thousand, five hundred forty-eight".