9798871 has 2 divisors, whose sum is σ = 9798872. Its totient is φ = 9798870.

The previous prime is 9798869. The next prime is 9798881. The reversal of 9798871 is 1788979.

9798871 is digitally balanced in base 2, 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 not a de Polignac number, because 9798871 - 2¹ = 9798869 is a prime.

Together with 9798869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9798881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4899435 + 4899436.

It is an arithmetic number, because the mean of its divisors is an integer number (4899436).

Almost surely, 2^9798871 is an apocalyptic number.

9798871 is a deficient number, since it is larger than the sum of its proper divisors (1).

9798871 is an equidigital number, since it uses as much as digits as its factorization.

9798871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 49.

The square root of 9798871 is about 3130.3148403955. The cubic root of 9798871 is about 213.9892780024.

The spelling of 9798871 in words is "nine million, seven hundred ninety-eight thousand, eight hundred seventy-one".