28775496 has 16 divisors (see below), whose sum is σ = 71938800. Its totient is φ = 9591824.

The previous prime is 28775491. The next prime is 28775521. The reversal of 28775496 is 69457782.

It is not an unprimeable number, because it can be changed into a prime (28775491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599466 + ... + 599513.

It is an arithmetic number, because the mean of its divisors is an integer number (4496175).

Almost surely, 2^28775496 is an apocalyptic number.

It is an amenable number.

28775496 is an abundant number, since it is smaller than the sum of its proper divisors (43163304).

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

28775496 is a wasteful number, since it uses less digits than its factorization.

28775496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198988 (or 1198984 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 28775496 is about 5364.2796347692. The cubic root of 28775496 is about 306.4368147426.

The spelling of 28775496 in words is "twenty-eight million, seven hundred seventy-five thousand, four hundred ninety-six".