9989027 has 2 divisors, whose sum is σ = 9989028. Its totient is φ = 9989026.

The previous prime is 9988991. The next prime is 9989039. The reversal of 9989027 is 7209899.

9989027 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 is a cyclic number.

It is not a de Polignac number, because 9989027 - 2¹⁸ = 9726883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9989227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4994513 + 4994514.

It is an arithmetic number, because the mean of its divisors is an integer number (4994514).

Almost surely, 2^9989027 is an apocalyptic number.

9989027 is a deficient number, since it is larger than the sum of its proper divisors (1).

9989027 is an equidigital number, since it uses as much as digits as its factorization.

9989027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 9989027 is about 3160.5422003194. The cubic root of 9989027 is about 215.3646381229.

The spelling of 9989027 in words is "nine million, nine hundred eighty-nine thousand, twenty-seven".