9717399 has 6 divisors (see below), whose sum is σ = 14036256. Its totient is φ = 6478260.

The previous prime is 9717397. The next prime is 9717401. The reversal of 9717399 is 9937179.

It is an interprime number because it is at equal distance from previous prime (9717397) and next prime (9717401).

It is not a de Polignac number, because 9717399 - 2¹ = 9717397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9717397) 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 in 5 ways as a sum of consecutive naturals, for example, 539847 + ... + 539864.

It is an arithmetic number, because the mean of its divisors is an integer number (2339376).

Almost surely, 2^9717399 is an apocalyptic number.

9717399 is a deficient number, since it is larger than the sum of its proper divisors (4318857).

9717399 is a wasteful number, since it uses less digits than its factorization.

9717399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079717 (or 1079714 counting only the distinct ones).

The product of its digits is 107163, while the sum is 45.

The square root of 9717399 is about 3117.2742901452. The cubic root of 9717399 is about 213.3945606052.

The spelling of 9717399 in words is "nine million, seven hundred seventeen thousand, three hundred ninety-nine".