28823856 has 40 divisors (see below), whose sum is σ = 74761584. Its totient is φ = 9569280.

The previous prime is 28823849. The next prime is 28823863. The reversal of 28823856 is 65832882.

It is an interprime number because it is at equal distance from previous prime (28823849) and next prime (28823863).

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 in 7 ways as a sum of consecutive naturals, for example, 12420 + ... + 14556.

Almost surely, 2^28823856 is an apocalyptic number.

It is an amenable number.

28823856 is an abundant number, since it is smaller than the sum of its proper divisors (45937728).

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

28823856 is a wasteful number, since it uses less digits than its factorization.

28823856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429 (or 2423 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 28823856 is about 5368.7853374856. The cubic root of 28823856 is about 306.6083842191.

The spelling of 28823856 in words is "twenty-eight million, eight hundred twenty-three thousand, eight hundred fifty-six".