9798643 has 2 divisors, whose sum is σ = 9798644. Its totient is φ = 9798642.

The previous prime is 9798637. The next prime is 9798703. The reversal of 9798643 is 3468979.

9798643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9798643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9798593 and 9798602.

It is not a weakly prime, because it can be changed into another prime (9798743) 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, 4899321 + 4899322.

It is an arithmetic number, because the mean of its divisors is an integer number (4899322).

Almost surely, 2^9798643 is an apocalyptic number.

9798643 is a deficient number, since it is larger than the sum of its proper divisors (1).

9798643 is an equidigital number, since it uses as much as digits as its factorization.

9798643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 9798643 is about 3130.2784221216. The cubic root of 9798643 is about 213.9876182897.

The spelling of 9798643 in words is "nine million, seven hundred ninety-eight thousand, six hundred forty-three".