9963449 has 2 divisors, whose sum is σ = 9963450. Its totient is φ = 9963448.

The previous prime is 9963419. The next prime is 9963463. The reversal of 9963449 is 9443699.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9517225 + 446224 = 3085^2 + 668^2 .

It is a cyclic number.

It is not a de Polignac number, because 9963449 - 2¹⁶ = 9897913 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9963419) 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, 4981724 + 4981725.

It is an arithmetic number, because the mean of its divisors is an integer number (4981725).

Almost surely, 2^9963449 is an apocalyptic number.

It is an amenable number.

9963449 is a deficient number, since it is larger than the sum of its proper divisors (1).

9963449 is an equidigital number, since it uses as much as digits as its factorization.

9963449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 44.

The square root of 9963449 is about 3156.4931490501. The cubic root of 9963449 is about 215.1806594030.

The spelling of 9963449 in words is "nine million, nine hundred sixty-three thousand, four hundred forty-nine".