9950917 has 2 divisors, whose sum is σ = 9950918. Its totient is φ = 9950916.

The previous prime is 9950911. The next prime is 9950921. The reversal of 9950917 is 7190599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5764801 + 4186116 = 2401^2 + 2046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9950917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9950917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9950911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4975458 + 4975459.

It is an arithmetic number, because the mean of its divisors is an integer number (4975459).

Almost surely, 2^9950917 is an apocalyptic number.

It is an amenable number.

9950917 is a deficient number, since it is larger than the sum of its proper divisors (1).

9950917 is an equidigital number, since it uses as much as digits as its factorization.

9950917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25515, while the sum is 40.

The square root of 9950917 is about 3154.5074100404. The cubic root of 9950917 is about 215.0904036617.

The spelling of 9950917 in words is "nine million, nine hundred fifty thousand, nine hundred seventeen".