844808844 has 48 divisors (see below), whose sum is σ = 2171748096. Its totient is φ = 253464000.

The previous prime is 844808821. The next prime is 844808849. The reversal of 844808844 is 448808448.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 844808793 and 844808802.

It is not an unprimeable number, because it can be changed into a prime (844808849) 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 15 ways as a sum of consecutive naturals, for example, 18352 + ... + 45015.

It is an arithmetic number, because the mean of its divisors is an integer number (45244752).

Almost surely, 2^844808844 is an apocalyptic number.

It is an amenable number.

844808844 is an abundant number, since it is smaller than the sum of its proper divisors (1326939252).

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

844808844 is a wasteful number, since it uses less digits than its factorization.

844808844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63486 (or 63484 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 48.

The square root of 844808844 is about 29065.5955383680. The cubic root of 844808844 is about 945.3358991794.

The spelling of 844808844 in words is "eight hundred forty-four million, eight hundred eight thousand, eight hundred forty-four".