28824896 has 28 divisors (see below), whose sum is σ = 57474612. Its totient is φ = 14343168.

The previous prime is 28824893. The next prime is 28824899. The reversal of 28824896 is 69842882.

It is an interprime number because it is at equal distance from previous prime (28824893) and next prime (28824899).

It can be written as a sum of positive squares in 2 ways, for example, as 12503296 + 16321600 = 3536^2 + 4040^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28824896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28824893) 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 in 3 ways as a sum of consecutive naturals, for example, 13946 + ... + 15878.

Almost surely, 2^28824896 is an apocalyptic number.

It is an amenable number.

28824896 is a deficient number, since it is larger than the sum of its proper divisors (28649716).

28824896 is a wasteful number, since it uses less digits than its factorization.

28824896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178 (or 2168 counting only the distinct ones).

The product of its digits is 442368, while the sum is 47.

The square root of 28824896 is about 5368.8821927846. The cubic root of 28824896 is about 306.6120717767.

The spelling of 28824896 in words is "twenty-eight million, eight hundred twenty-four thousand, eight hundred ninety-six".