28844043 has 16 divisors (see below), whose sum is σ = 39929856. Its totient is φ = 18501120.

The previous prime is 28844027. The next prime is 28844051. The reversal of 28844043 is 34044882.

It is not a de Polignac number, because 28844043 - 2⁴ = 28844027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28843995 and 28844013.

It is not an unprimeable number, because it can be changed into a prime (28844083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17146 + ... + 18752.

It is an arithmetic number, because the mean of its divisors is an integer number (2495616).

Almost surely, 2^28844043 is an apocalyptic number.

28844043 is a deficient number, since it is larger than the sum of its proper divisors (11085813).

28844043 is a wasteful number, since it uses less digits than its factorization.

28844043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834.

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 28844043 is about 5370.6650426181. The cubic root of 28844043 is about 306.6799459961.

The spelling of 28844043 in words is "twenty-eight million, eight hundred forty-four thousand, forty-three".