28816576 has 14 divisors (see below), whose sum is σ = 57183020. Its totient is φ = 14408256.

The previous prime is 28816561. The next prime is 28816589. The reversal of 28816576 is 67561882.

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 as a sum of consecutive naturals, namely, 225066 + ... + 225193.

Almost surely, 2^28816576 is an apocalyptic number.

It is an amenable number.

28816576 is a deficient number, since it is larger than the sum of its proper divisors (28366444).

28816576 is an equidigital number, since it uses as much as digits as its factorization.

28816576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450271 (or 450261 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 28816576 is about 5368.1073014611. The cubic root of 28816576 is about 306.5825688322.

It can be divided in two parts, 28816 and 576, that added together give a palindrome (29392).

The spelling of 28816576 in words is "twenty-eight million, eight hundred sixteen thousand, five hundred seventy-six".