9687089 has 2 divisors, whose sum is σ = 9687090. Its totient is φ = 9687088.

The previous prime is 9687077. The next prime is 9687091. The reversal of 9687089 is 9807869.

9687089 is nontrivially palindromic in base 6.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6589489 + 3097600 = 2567^2 + 1760^2 .

It is a cyclic number.

It is not a de Polignac number, because 9687089 - 2¹² = 9682993 is a prime.

Together with 9687091, 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 (9687019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4843544 + 4843545.

It is an arithmetic number, because the mean of its divisors is an integer number (4843545).

Almost surely, 2^9687089 is an apocalyptic number.

It is an amenable number.

9687089 is a deficient number, since it is larger than the sum of its proper divisors (1).

9687089 is an equidigital number, since it uses as much as digits as its factorization.

9687089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 9687089 is about 3112.4088741680. The cubic root of 9687089 is about 213.1724598256.

The spelling of 9687089 in words is "nine million, six hundred eighty-seven thousand, eighty-nine".