844834660 has 12 divisors (see below), whose sum is σ = 1774152828. Its totient is φ = 337933856.

The previous prime is 844834591. The next prime is 844834663. The reversal of 844834660 is 66438448.

844834660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 305480484 + 539354176 = 17478^2 + 23224^2 .

It is not an unprimeable number, because it can be changed into a prime (844834663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21120847 + ... + 21120886.

It is an arithmetic number, because the mean of its divisors is an integer number (147846069).

Almost surely, 2^844834660 is an apocalyptic number.

It is an amenable number.

844834660 is an abundant number, since it is smaller than the sum of its proper divisors (929318168).

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

844834660 is a wasteful number, since it uses less digits than its factorization.

844834660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42241742 (or 42241740 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

The square root of 844834660 is about 29066.0396339095. The cubic root of 844834660 is about 945.3455283964.

The spelling of 844834660 in words is "eight hundred forty-four million, eight hundred thirty-four thousand, six hundred sixty".