28844754 has 8 divisors (see below), whose sum is σ = 57689520. Its totient is φ = 9614916.

The previous prime is 28844749. The next prime is 28844789. The reversal of 28844754 is 45744882.

It is a sphenic number, since it is the product of 3 distinct primes.

28844754 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 2403724 + ... + 2403735.

It is an arithmetic number, because the mean of its divisors is an integer number (7211190).

Almost surely, 2^28844754 is an apocalyptic number.

28844754 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28844754 is a wasteful number, since it uses less digits than its factorization.

28844754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4807464.

The product of its digits is 286720, while the sum is 42.

The square root of 28844754 is about 5370.7312351299. The cubic root of 28844754 is about 306.6824658422.

The spelling of 28844754 in words is "twenty-eight million, eight hundred forty-four thousand, seven hundred fifty-four".