8042843 has 2 divisors, whose sum is σ = 8042844. Its totient is φ = 8042842.

The previous prime is 8042813. The next prime is 8042861. The reversal of 8042843 is 3482408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8042843 - 2⁶ = 8042779 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8042813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4021421 + 4021422.

It is an arithmetic number, because the mean of its divisors is an integer number (4021422).

Almost surely, 2^8042843 is an apocalyptic number.

8042843 is a deficient number, since it is larger than the sum of its proper divisors (1).

8042843 is an equidigital number, since it uses as much as digits as its factorization.

8042843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 8042843 is about 2835.9906558379. The cubic root of 8042843 is about 200.3563895552.

The spelling of 8042843 in words is "eight million, forty-two thousand, eight hundred forty-three".