844044872 has 16 divisors (see below), whose sum is σ = 1726455600. Its totient is φ = 383656720.

The previous prime is 844044871. The next prime is 844044899. The reversal of 844044872 is 278440448.

It is not an unprimeable number, because it can be changed into a prime (844044871) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4795622 + ... + 4795797.

It is an arithmetic number, because the mean of its divisors is an integer number (107903475).

Almost surely, 2^844044872 is an apocalyptic number.

It is an amenable number.

844044872 is an abundant number, since it is smaller than the sum of its proper divisors (882410728).

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

844044872 is a wasteful number, since it uses less digits than its factorization.

844044872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9591436 (or 9591432 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 41.

The square root of 844044872 is about 29052.4503613723. The cubic root of 844044872 is about 945.0508532491.

The spelling of 844044872 in words is "eight hundred forty-four million, forty-four thousand, eight hundred seventy-two".