844066942 has 4 divisors (see below), whose sum is σ = 1266100416. Its totient is φ = 422033470.

The previous prime is 844066913. The next prime is 844066961. The reversal of 844066942 is 249660448.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 211016734 + ... + 211016737.

It is an arithmetic number, because the mean of its divisors is an integer number (316525104).

Almost surely, 2^844066942 is an apocalyptic number.

844066942 is a deficient number, since it is larger than the sum of its proper divisors (422033474).

844066942 is a wasteful number, since it uses less digits than its factorization.

844066942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422033473.

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 844066942 is about 29052.8301891571. The cubic root of 844066942 is about 945.0590902087.

The spelling of 844066942 in words is "eight hundred forty-four million, sixty-six thousand, nine hundred forty-two".