28924804 has 6 divisors (see below), whose sum is σ = 50618414. Its totient is φ = 14462400.

The previous prime is 28924801. The next prime is 28924811. The reversal of 28924804 is 40842982.

It can be written as a sum of positive squares in only one way, i.e., 28643904 + 280900 = 5352^2 + 530^2 .

It is not an unprimeable number, because it can be changed into a prime (28924801) 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 as a sum of consecutive naturals, namely, 3615597 + ... + 3615604.

Almost surely, 2^28924804 is an apocalyptic number.

It is an amenable number.

28924804 is a deficient number, since it is larger than the sum of its proper divisors (21693610).

28924804 is a wasteful number, since it uses less digits than its factorization.

28924804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231205 (or 7231203 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 28924804 is about 5378.1785020581. The cubic root of 28924804 is about 306.9659056664.

The spelling of 28924804 in words is "twenty-eight million, nine hundred twenty-four thousand, eight hundred four".