9965447 has 2 divisors, whose sum is σ = 9965448. Its totient is φ = 9965446.

The previous prime is 9965413. The next prime is 9965479. The reversal of 9965447 is 7445699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9965447 - 2⁸ = 9965191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9965398 and 9965407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9965407) 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 as a sum of consecutive naturals, namely, 4982723 + 4982724.

It is an arithmetic number, because the mean of its divisors is an integer number (4982724).

Almost surely, 2^9965447 is an apocalyptic number.

9965447 is a deficient number, since it is larger than the sum of its proper divisors (1).

9965447 is an equidigital number, since it uses as much as digits as its factorization.

9965447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 9965447 is about 3156.8096236549. The cubic root of 9965447 is about 215.1950420471.

The spelling of 9965447 in words is "nine million, nine hundred sixty-five thousand, four hundred forty-seven".