28548044 has 48 divisors (see below), whose sum is σ = 59195136. Its totient is φ = 11793600.

The previous prime is 28548043. The next prime is 28548059. The reversal of 28548044 is 44084582.

It is a junction number, because it is equal to n+sod(n) for n = 28547995 and 28548013.

It is not an unprimeable number, because it can be changed into a prime (28548043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157634 + ... + 157814.

It is an arithmetic number, because the mean of its divisors is an integer number (1233232).

Almost surely, 2^28548044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28548044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29597568).

28548044 is an abundant number, since it is smaller than the sum of its proper divisors (30647092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28548044 is a wasteful number, since it uses less digits than its factorization.

28548044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 28548044 is about 5343.0369641244. The cubic root of 28548044 is about 305.6272819727.

The spelling of 28548044 in words is "twenty-eight million, five hundred forty-eight thousand, forty-four".