28459424 has 24 divisors (see below), whose sum is σ = 64034208. Its totient is φ = 12196800.

The previous prime is 28459391. The next prime is 28459429. The reversal of 28459424 is 42495482.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28459429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63302 + ... + 63749.

It is an arithmetic number, because the mean of its divisors is an integer number (2668092).

Almost surely, 2^28459424 is an apocalyptic number.

It is an amenable number.

28459424 is an abundant number, since it is smaller than the sum of its proper divisors (35574784).

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

28459424 is a wasteful number, since it uses less digits than its factorization.

28459424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127068 (or 127060 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 28459424 is about 5334.7374818261. The cubic root of 28459424 is about 305.3107072894.

The spelling of 28459424 in words is "twenty-eight million, four hundred fifty-nine thousand, four hundred twenty-four".