28824672 has 48 divisors (see below), whose sum is σ = 79652160. Its totient is φ = 9101952.

The previous prime is 28824671. The next prime is 28824683. The reversal of 28824672 is 27642882.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×28824672³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28824672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28824671) 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 7 ways as a sum of consecutive naturals, for example, 6078 + ... + 9725.

It is an arithmetic number, because the mean of its divisors is an integer number (1659420).

Almost surely, 2^28824672 is an apocalyptic number.

It is an amenable number.

28824672 is an abundant number, since it is smaller than the sum of its proper divisors (50827488).

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

28824672 is a wasteful number, since it uses less digits than its factorization.

28824672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15835 (or 15827 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 28824672 is about 5368.8613317909. The cubic root of 28824672 is about 306.6112775410.

The spelling of 28824672 in words is "twenty-eight million, eight hundred twenty-four thousand, six hundred seventy-two".