28256496 has 40 divisors (see below), whose sum is σ = 76840320. Its totient is φ = 8922816.

The previous prime is 28256471. The next prime is 28256497. The reversal of 28256496 is 69465282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28256497) 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 7 ways as a sum of consecutive naturals, for example, 14580 + ... + 16403.

It is an arithmetic number, because the mean of its divisors is an integer number (1921008).

Almost surely, 2^28256496 is an apocalyptic number.

It is an amenable number.

28256496 is an abundant number, since it is smaller than the sum of its proper divisors (48583824).

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

28256496 is a wasteful number, since it uses less digits than its factorization.

28256496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31013 (or 31007 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 28256496 is about 5315.6839635178. The cubic root of 28256496 is about 304.5833098640.

The spelling of 28256496 in words is "twenty-eight million, two hundred fifty-six thousand, four hundred ninety-six".