9964597 has 2 divisors, whose sum is σ = 9964598. Its totient is φ = 9964596.

The previous prime is 9964579. The next prime is 9964613. The reversal of 9964597 is 7954699.

Together with previous prime (9964579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9771876 + 192721 = 3126^2 + 439^2 .

It is a cyclic number.

It is not a de Polignac number, because 9964597 - 2⁷ = 9964469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9964597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9962597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4982298 + 4982299.

It is an arithmetic number, because the mean of its divisors is an integer number (4982299).

Almost surely, 2^9964597 is an apocalyptic number.

It is an amenable number.

9964597 is a deficient number, since it is larger than the sum of its proper divisors (1).

9964597 is an equidigital number, since it uses as much as digits as its factorization.

9964597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 49.

The square root of 9964597 is about 3156.6749911893. The cubic root of 9964597 is about 215.1889235396.

The spelling of 9964597 in words is "nine million, nine hundred sixty-four thousand, five hundred ninety-seven".