9947369 has 2 divisors, whose sum is σ = 9947370. Its totient is φ = 9947368.

The previous prime is 9947323. The next prime is 9947383. The reversal of 9947369 is 9637499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7425625 + 2521744 = 2725^2 + 1588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9947369 is a prime.

It is a super-2 number, since 2×9947369² = 197900300044322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9947969) 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, 4973684 + 4973685.

It is an arithmetic number, because the mean of its divisors is an integer number (4973685).

Almost surely, 2^9947369 is an apocalyptic number.

It is an amenable number.

9947369 is a deficient number, since it is larger than the sum of its proper divisors (1).

9947369 is an equidigital number, since it uses as much as digits as its factorization.

9947369 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 9947369 is about 3153.9449900085. The cubic root of 9947369 is about 215.0648371245.

The spelling of 9947369 in words is "nine million, nine hundred forty-seven thousand, three hundred sixty-nine".