28254874 has 16 divisors (see below), whose sum is σ = 43970400. Its totient is φ = 13600944.

The previous prime is 28254847. The next prime is 28254893. The reversal of 28254874 is 47845282.

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, 35509 + ... + 36295.

It is an arithmetic number, because the mean of its divisors is an integer number (2748150).

Almost surely, 2^28254874 is an apocalyptic number.

28254874 is a deficient number, since it is larger than the sum of its proper divisors (15715526).

28254874 is a wasteful number, since it uses less digits than its factorization.

28254874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437.

The product of its digits is 143360, while the sum is 40.

The square root of 28254874 is about 5315.5313939436. The cubic root of 28254874 is about 304.5774817813.

The spelling of 28254874 in words is "twenty-eight million, two hundred fifty-four thousand, eight hundred seventy-four".