843606041 has 2 divisors, whose sum is σ = 843606042. Its totient is φ = 843606040.

The previous prime is 843605999. The next prime is 843606047. The reversal of 843606041 is 140606348.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 664608400 + 178997641 = 25780^2 + 13379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-843606041 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 843605989 and 843606007.

It is not a weakly prime, because it can be changed into another prime (843606047) 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 as a sum of consecutive naturals, namely, 421803020 + 421803021.

It is an arithmetic number, because the mean of its divisors is an integer number (421803021).

Almost surely, 2^843606041 is an apocalyptic number.

It is an amenable number.

843606041 is a deficient number, since it is larger than the sum of its proper divisors (1).

843606041 is an equidigital number, since it uses as much as digits as its factorization.

843606041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 843606041 is about 29044.8969872506. The cubic root of 843606041 is about 944.8870430387.

The spelling of 843606041 in words is "eight hundred forty-three million, six hundred six thousand, forty-one".