28414856 has 16 divisors (see below), whose sum is σ = 53335500. Its totient is φ = 14192064.

The previous prime is 28414843. The next prime is 28414891. The reversal of 28414856 is 65841482.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27394756 + 1020100 = 5234^2 + 1010^2 .

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 3 ways as a sum of consecutive naturals, for example, 11246 + ... + 13538.

Almost surely, 2^28414856 is an apocalyptic number.

It is an amenable number.

28414856 is a deficient number, since it is larger than the sum of its proper divisors (24920644).

28414856 is a wasteful number, since it uses less digits than its factorization.

28414856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3848 (or 3844 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 28414856 is about 5330.5586949212. The cubic root of 28414856 is about 305.1512498952.

The spelling of 28414856 in words is "twenty-eight million, four hundred fourteen thousand, eight hundred fifty-six".