844497472 has 112 divisors (see below), whose sum is σ = 2118807040. Its totient is φ = 324974592.

The previous prime is 844497421. The next prime is 844497557. The reversal of 844497472 is 274794448.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213529 + ... + 217447.

It is an arithmetic number, because the mean of its divisors is an integer number (18917920).

Almost surely, 2^844497472 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 844497472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1059403520).

844497472 is an abundant number, since it is smaller than the sum of its proper divisors (1274309568).

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

844497472 is a wasteful number, since it uses less digits than its factorization.

844497472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988 (or 3978 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 49.

The square root of 844497472 is about 29060.2386776158. The cubic root of 844497472 is about 945.2197437902.

The spelling of 844497472 in words is "eight hundred forty-four million, four hundred ninety-seven thousand, four hundred seventy-two".