28924832 has 48 divisors (see below), whose sum is σ = 59875200. Its totient is φ = 13735680.

The previous prime is 28924817. The next prime is 28924921. The reversal of 28924832 is 23842982.

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 7 ways as a sum of consecutive naturals, for example, 65669 + ... + 66107.

It is an arithmetic number, because the mean of its divisors is an integer number (1247400).

Almost surely, 2^28924832 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 28924832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29937600).

28924832 is an abundant number, since it is smaller than the sum of its proper divisors (30950368).

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

28924832 is a wasteful number, since it uses less digits than its factorization.

28924832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 541 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 28924832 is about 5378.1811051693. The cubic root of 28924832 is about 306.9660047168.

The spelling of 28924832 in words is "twenty-eight million, nine hundred twenty-four thousand, eight hundred thirty-two".