9697439 has 2 divisors, whose sum is σ = 9697440. Its totient is φ = 9697438.

The previous prime is 9697427. The next prime is 9697447. The reversal of 9697439 is 9347969.

It is a strong prime.

It is an emirp because it is prime and its reverse (9347969) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9697439 - 2⁸ = 9697183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9697393 and 9697402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9697459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4848719 + 4848720.

It is an arithmetic number, because the mean of its divisors is an integer number (4848720).

Almost surely, 2^9697439 is an apocalyptic number.

9697439 is a deficient number, since it is larger than the sum of its proper divisors (1).

9697439 is an equidigital number, since it uses as much as digits as its factorization.

9697439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 47.

The square root of 9697439 is about 3114.0711295666. The cubic root of 9697439 is about 213.2483529259.

The spelling of 9697439 in words is "nine million, six hundred ninety-seven thousand, four hundred thirty-nine".