28044576 has 96 divisors (see below), whose sum is σ = 93502080. Its totient is φ = 8011008.

The previous prime is 28044559. The next prime is 28044587. The reversal of 28044576 is 67544082.

28044576 is a `hidden beast` number, since 2 + 80 + 4 + 4 + 576 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 28044576.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3730 + ... + 8366.

It is an arithmetic number, because the mean of its divisors is an integer number (973980).

Almost surely, 2^28044576 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 28044576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46751040).

28044576 is an abundant number, since it is smaller than the sum of its proper divisors (65457504).

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

28044576 is a wasteful number, since it uses less digits than its factorization.

28044576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4663 (or 4649 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 28044576 is about 5295.7129831591. The cubic root of 28044576 is about 303.8199534054.

The spelling of 28044576 in words is "twenty-eight million, forty-four thousand, five hundred seventy-six".