8006443 has 2 divisors, whose sum is σ = 8006444. Its totient is φ = 8006442.

The previous prime is 8006441. The next prime is 8006447. The reversal of 8006443 is 3446008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8006443 - 2¹ = 8006441 is a prime.

Together with 8006441, it forms a pair of twin primes.

8006443 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8006441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4003221 + 4003222.

It is an arithmetic number, because the mean of its divisors is an integer number (4003222).

Almost surely, 2^8006443 is an apocalyptic number.

8006443 is a deficient number, since it is larger than the sum of its proper divisors (1).

8006443 is an equidigital number, since it uses as much as digits as its factorization.

8006443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 8006443 is about 2829.5658677613. The cubic root of 8006443 is about 200.0536772591.

The spelling of 8006443 in words is "eight million, six thousand, four hundred forty-three".