9808243 has 2 divisors, whose sum is σ = 9808244. Its totient is φ = 9808242.

The previous prime is 9808231. The next prime is 9808259. The reversal of 9808243 is 3428089.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9808243 - 2⁹ = 9807731 is a prime.

It is an Ulam number.

9808243 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9808199 and 9808208.

It is not a weakly prime, because it can be changed into another prime (9800243) 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, 4904121 + 4904122.

It is an arithmetic number, because the mean of its divisors is an integer number (4904122).

Almost surely, 2^9808243 is an apocalyptic number.

9808243 is a deficient number, since it is larger than the sum of its proper divisors (1).

9808243 is an equidigital number, since it uses as much as digits as its factorization.

9808243 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 34.

The square root of 9808243 is about 3131.8114566493. The cubic root of 9808243 is about 214.0574786646.

The spelling of 9808243 in words is "nine million, eight hundred eight thousand, two hundred forty-three".