9884689 has 2 divisors, whose sum is σ = 9884690. Its totient is φ = 9884688.

The previous prime is 9884681. The next prime is 9884713. The reversal of 9884689 is 9864889.

9884689 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 can be written as a sum of positive squares in only one way, i.e., 8803089 + 1081600 = 2967^2 + 1040^2 .

It is an emirp because it is prime and its reverse (9864889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9884689 - 2³ = 9884681 is a prime.

It is not a weakly prime, because it can be changed into another prime (9884681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4942344 + 4942345.

It is an arithmetic number, because the mean of its divisors is an integer number (4942345).

Almost surely, 2^9884689 is an apocalyptic number.

It is an amenable number.

9884689 is a deficient number, since it is larger than the sum of its proper divisors (1).

9884689 is an equidigital number, since it uses as much as digits as its factorization.

9884689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 52.

The square root of 9884689 is about 3143.9925254364. The cubic root of 9884689 is about 214.6121654245.

The spelling of 9884689 in words is "nine million, eight hundred eighty-four thousand, six hundred eighty-nine".