9261689 has 2 divisors, whose sum is σ = 9261690. Its totient is φ = 9261688.

The previous prime is 9261677. The next prime is 9261713. The reversal of 9261689 is 9861629.

9261689 is digitally balanced in base 2, 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., 4818025 + 4443664 = 2195^2 + 2108^2 .

It is an emirp because it is prime and its reverse (9861629) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9261689 - 2⁴ = 9261673 is a prime.

It is not a weakly prime, because it can be changed into another prime (9261619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4630844 + 4630845.

It is an arithmetic number, because the mean of its divisors is an integer number (4630845).

Almost surely, 2^9261689 is an apocalyptic number.

It is an amenable number.

9261689 is a deficient number, since it is larger than the sum of its proper divisors (1).

9261689 is an equidigital number, since it uses as much as digits as its factorization.

9261689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 41.

The square root of 9261689 is about 3043.3023182063. The cubic root of 9261689 is about 210.0052077318.

The spelling of 9261689 in words is "nine million, two hundred sixty-one thousand, six hundred eighty-nine".