844020966 has 16 divisors (see below), whose sum is σ = 1688328000. Its totient is φ = 281292648.

The previous prime is 844020953. The next prime is 844020977. The reversal of 844020966 is 669020448.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57885 + ... + 70983.

It is an arithmetic number, because the mean of its divisors is an integer number (105520500).

Almost surely, 2^844020966 is an apocalyptic number.

844020966 is an abundant number, since it is smaller than the sum of its proper divisors (844307034).

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

844020966 is a wasteful number, since it uses less digits than its factorization.

844020966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23843.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 844020966 is about 29052.0389301681. The cubic root of 844020966 is about 945.0419308961.

The spelling of 844020966 in words is "eight hundred forty-four million, twenty thousand, nine hundred sixty-six".