9812443 has 2 divisors, whose sum is σ = 9812444. Its totient is φ = 9812442.

The previous prime is 9812431. The next prime is 9812447. The reversal of 9812443 is 3442189.

It is a strong prime.

It is an emirp because it is prime and its reverse (3442189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9812443 - 2²¹ = 7715291 is a prime.

It is not a weakly prime, because it can be changed into another prime (9812447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4906221 + 4906222.

It is an arithmetic number, because the mean of its divisors is an integer number (4906222).

Almost surely, 2^9812443 is an apocalyptic number.

9812443 is a deficient number, since it is larger than the sum of its proper divisors (1).

9812443 is an equidigital number, since it uses as much as digits as its factorization.

9812443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 9812443 is about 3132.4819233317. The cubic root of 9812443 is about 214.0880282447.

The spelling of 9812443 in words is "nine million, eight hundred twelve thousand, four hundred forty-three".