844166364 has 48 divisors (see below), whose sum is σ = 1987255200. Its totient is φ = 278896896.

The previous prime is 844166341. The next prime is 844166413. The reversal of 844166364 is 463661448.

It is a happy number.

844166364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 760642 + ... + 761750.

It is an arithmetic number, because the mean of its divisors is an integer number (41401150).

Almost surely, 2^844166364 is an apocalyptic number.

It is an amenable number.

844166364 is an abundant number, since it is smaller than the sum of its proper divisors (1143088836).

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

844166364 is a wasteful number, since it uses less digits than its factorization.

844166364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622 (or 1620 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 844166364 is about 29054.5411941060. The cubic root of 844166364 is about 945.0961946813.

The spelling of 844166364 in words is "eight hundred forty-four million, one hundred sixty-six thousand, three hundred sixty-four".