2162843 has 2 divisors, whose sum is σ = 2162844. Its totient is φ = 2162842.

The previous prime is 2162821. The next prime is 2162869. The reversal of 2162843 is 3482612.

It is an a-pointer prime, because the next prime (2162869) can be obtained adding 2162843 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2162843 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2162803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081421 + 1081422.

It is an arithmetic number, because the mean of its divisors is an integer number (1081422).

2^2162843 is an apocalyptic number.

2162843 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162843 is an equidigital number, since it uses as much as digits as its factorization.

2162843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 2162843 is about 1470.6607358599. The cubic root of 2162843 is about 129.3227700363.

The spelling of 2162843 in words is "two million, one hundred sixty-two thousand, eight hundred forty-three".