28548544 has 28 divisors (see below), whose sum is σ = 56874664. Its totient is φ = 14217984.

The previous prime is 28548529. The next prime is 28548547. The reversal of 28548544 is 44584582.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28548497 and 28548506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28548547) 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, 18922 + ... + 20374.

It is an arithmetic number, because the mean of its divisors is an integer number (2031238).

Almost surely, 2^28548544 is an apocalyptic number.

It is an amenable number.

28548544 is a deficient number, since it is larger than the sum of its proper divisors (28326120).

28548544 is a wasteful number, since it uses less digits than its factorization.

28548544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772 (or 1762 counting only the distinct ones).

The product of its digits is 204800, while the sum is 40.

The square root of 28548544 is about 5343.0837537886. The cubic root of 28548544 is about 305.6290662485.

It can be divided in two parts, 28548 and 544, that added together give a palindrome (29092).

The spelling of 28548544 in words is "twenty-eight million, five hundred forty-eight thousand, five hundred forty-four".