9648689 has 2 divisors, whose sum is σ = 9648690. Its totient is φ = 9648688.

The previous prime is 9648679. The next prime is 9648701. The reversal of 9648689 is 9868469.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9048064 + 600625 = 3008^2 + 775^2 .

It is a cyclic number.

It is not a de Polignac number, because 9648689 - 2¹⁶ = 9583153 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9648659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4824344 + 4824345.

It is an arithmetic number, because the mean of its divisors is an integer number (4824345).

Almost surely, 2^9648689 is an apocalyptic number.

It is an amenable number.

9648689 is a deficient number, since it is larger than the sum of its proper divisors (1).

9648689 is an equidigital number, since it uses as much as digits as its factorization.

9648689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 50.

The square root of 9648689 is about 3106.2338933184. The cubic root of 9648689 is about 212.8904121555.

The spelling of 9648689 in words is "nine million, six hundred forty-eight thousand, six hundred eighty-nine".