844946742 has 8 divisors (see below), whose sum is σ = 1689893496. Its totient is φ = 281648912.

The previous prime is 844946741. The next prime is 844946759. The reversal of 844946742 is 247649448.

It is a sphenic number, since it is the product of 3 distinct primes.

844946742 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 844946691 and 844946700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844946741) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 70412223 + ... + 70412234.

It is an arithmetic number, because the mean of its divisors is an integer number (211236687).

Almost surely, 2^844946742 is an apocalyptic number.

844946742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

844946742 is a wasteful number, since it uses less digits than its factorization.

844946742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140824462.

The product of its digits is 1548288, while the sum is 48.

The square root of 844946742 is about 29067.9676276137. The cubic root of 844946742 is about 945.3873320522.

The spelling of 844946742 in words is "eight hundred forty-four million, nine hundred forty-six thousand, seven hundred forty-two".