9690217 has 2 divisors, whose sum is σ = 9690218. Its totient is φ = 9690216.

The previous prime is 9690211. The next prime is 9690251. The reversal of 9690217 is 7120969.

It is an a-pointer prime, because the next prime (9690251) can be obtained adding 9690217 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9665881 + 24336 = 3109^2 + 156^2 .

It is an emirp because it is prime and its reverse (7120969) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9690217 - 2¹¹ = 9688169 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (9690211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4845108 + 4845109.

It is an arithmetic number, because the mean of its divisors is an integer number (4845109).

Almost surely, 2^9690217 is an apocalyptic number.

It is an amenable number.

9690217 is a deficient number, since it is larger than the sum of its proper divisors (1).

9690217 is an equidigital number, since it uses as much as digits as its factorization.

9690217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 9690217 is about 3112.9113382813. The cubic root of 9690217 is about 213.1954021046.

The spelling of 9690217 in words is "nine million, six hundred ninety thousand, two hundred seventeen".