9898543 has 2 divisors, whose sum is σ = 9898544. Its totient is φ = 9898542.

The previous prime is 9898519. The next prime is 9898547. The reversal of 9898543 is 3458989.

9898543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9898543 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 9898493 and 9898502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9898547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4949271 + 4949272.

It is an arithmetic number, because the mean of its divisors is an integer number (4949272).

Almost surely, 2^9898543 is an apocalyptic number.

9898543 is a deficient number, since it is larger than the sum of its proper divisors (1).

9898543 is an equidigital number, since it uses as much as digits as its factorization.

9898543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 46.

The square root of 9898543 is about 3146.1950034923. The cubic root of 9898543 is about 214.7123826716.

The spelling of 9898543 in words is "nine million, eight hundred ninety-eight thousand, five hundred forty-three".