28514856 has 32 divisors (see below), whose sum is σ = 71460000. Its totient is φ = 9481920.

The previous prime is 28514833. The next prime is 28514861. The reversal of 28514856 is 65841582.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10786 + ... + 13166.

It is an arithmetic number, because the mean of its divisors is an integer number (2233125).

Almost surely, 2^28514856 is an apocalyptic number.

It is an amenable number.

28514856 is an abundant number, since it is smaller than the sum of its proper divisors (42945144).

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

28514856 is a wasteful number, since it uses less digits than its factorization.

28514856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889 (or 2885 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 28514856 is about 5339.9303366243. The cubic root of 28514856 is about 305.5088022693.

The spelling of 28514856 in words is "twenty-eight million, five hundred fourteen thousand, eight hundred fifty-six".