844131841 has 8 divisors (see below), whose sum is σ = 974274624. Its totient is φ = 716377200.

The previous prime is 844131823. The next prime is 844131857. The reversal of 844131841 is 148131448.

It is a happy number.

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

It is not a de Polignac number, because 844131841 - 2¹³ = 844123649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 844131797 and 844131806.

It is not an unprimeable number, because it can be changed into a prime (844131811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596275 + ... + 597688.

It is an arithmetic number, because the mean of its divisors is an integer number (121784328).

Almost surely, 2^844131841 is an apocalyptic number.

It is an amenable number.

844131841 is a deficient number, since it is larger than the sum of its proper divisors (130142783).

844131841 is a wasteful number, since it uses less digits than its factorization.

844131841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194071.

The product of its digits is 12288, while the sum is 34.

The square root of 844131841 is about 29053.9470812487. The cubic root of 844131841 is about 945.0833109646.

The spelling of 844131841 in words is "eight hundred forty-four million, one hundred thirty-one thousand, eight hundred forty-one".