28814568 has 16 divisors (see below), whose sum is σ = 72036480. Its totient is φ = 9604848.

The previous prime is 28814567. The next prime is 28814573. The reversal of 28814568 is 86541882.

It is not an unprimeable number, because it can be changed into a prime (28814567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600280 + ... + 600327.

It is an arithmetic number, because the mean of its divisors is an integer number (4502280).

Almost surely, 2^28814568 is an apocalyptic number.

It is an amenable number.

28814568 is an abundant number, since it is smaller than the sum of its proper divisors (43221912).

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

28814568 is a wasteful number, since it uses less digits than its factorization.

28814568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200616 (or 1200612 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The square root of 28814568 is about 5367.9202676642. The cubic root of 28814568 is about 306.5754475594.

The spelling of 28814568 in words is "twenty-eight million, eight hundred fourteen thousand, five hundred sixty-eight".