9885089 has 2 divisors, whose sum is σ = 9885090. Its totient is φ = 9885088.

The previous prime is 9885077. The next prime is 9885091. The reversal of 9885089 is 9805889.

It is a happy number.

9885089 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5326864 + 4558225 = 2308^2 + 2135^2 .

It is a cyclic number.

It is not a de Polignac number, because 9885089 - 2¹² = 9880993 is a prime.

Together with 9885091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9885049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4942544 + 4942545.

It is an arithmetic number, because the mean of its divisors is an integer number (4942545).

Almost surely, 2^9885089 is an apocalyptic number.

It is an amenable number.

9885089 is a deficient number, since it is larger than the sum of its proper divisors (1).

9885089 is an equidigital number, since it uses as much as digits as its factorization.

9885089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 47.

The square root of 9885089 is about 3144.0561381757. The cubic root of 9885089 is about 214.6150602621.

The spelling of 9885089 in words is "nine million, eight hundred eighty-five thousand, eighty-nine".