844504672 has 48 divisors (see below), whose sum is σ = 1839366144. Its totient is φ = 378448000.

The previous prime is 844504667. The next prime is 844504681. The reversal of 844504672 is 276405448.

It is a happy number.

It is a congruent number.

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, 8097 + ... + 41887.

It is an arithmetic number, because the mean of its divisors is an integer number (38320128).

Almost surely, 2^844504672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 844504672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (919683072).

844504672 is an abundant number, since it is smaller than the sum of its proper divisors (994861472).

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

844504672 is a wasteful number, since it uses less digits than its factorization.

844504672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33883 (or 33875 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 844504672 is about 29060.3625579586. The cubic root of 844504672 is about 945.2224300279. Note that the first 3 decimals are identical.

The spelling of 844504672 in words is "eight hundred forty-four million, five hundred four thousand, six hundred seventy-two".