28324024 has 8 divisors (see below), whose sum is σ = 53107560. Its totient is φ = 14162008.

The previous prime is 28324019. The next prime is 28324067. The reversal of 28324024 is 42042382.

28324024 = 1323² + 1324² + ... + 1338².

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 28324024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1770244 + ... + 1770259.

It is an arithmetic number, because the mean of its divisors is an integer number (6638445).

Almost surely, 2^28324024 is an apocalyptic number.

It is an amenable number.

28324024 is a deficient number, since it is larger than the sum of its proper divisors (24783536).

28324024 is a wasteful number, since it uses less digits than its factorization.

28324024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540509 (or 3540505 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 28324024 is about 5322.0319427828. The cubic root of 28324024 is about 304.8257501501.

The spelling of 28324024 in words is "twenty-eight million, three hundred twenty-four thousand, twenty-four".