28344824 has 16 divisors (see below), whose sum is σ = 54150120. Its totient is φ = 13904800.

The previous prime is 28344821. The next prime is 28344857. The reversal of 28344824 is 42844382.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28344821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33002 + ... + 33849.

Almost surely, 2^28344824 is an apocalyptic number.

It is an amenable number.

28344824 is a deficient number, since it is larger than the sum of its proper divisors (25805296).

28344824 is a wasteful number, since it uses less digits than its factorization.

28344824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66910 (or 66906 counting only the distinct ones).

The product of its digits is 49152, while the sum is 35.

The square root of 28344824 is about 5323.9857249996. The cubic root of 28344824 is about 304.9003490630.

The spelling of 28344824 in words is "twenty-eight million, three hundred forty-four thousand, eight hundred twenty-four".