9963443 has 8 divisors (see below), whose sum is σ = 11779680. Its totient is φ = 8245440.

The previous prime is 9963419. The next prime is 9963449. The reversal of 9963443 is 3443699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-9963443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9963397 and 9963406.

It is not an unprimeable number, because it can be changed into a prime (9963449) 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 in 7 ways as a sum of consecutive naturals, for example, 24338 + ... + 24743.

It is an arithmetic number, because the mean of its divisors is an integer number (1472460).

Almost surely, 2^9963443 is an apocalyptic number.

9963443 is a deficient number, since it is larger than the sum of its proper divisors (1816237).

9963443 is a wasteful number, since it uses less digits than its factorization.

9963443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49117.

The product of its digits is 69984, while the sum is 38.

The square root of 9963443 is about 3156.4921986281. The cubic root of 9963443 is about 215.1806162090.

The spelling of 9963443 in words is "nine million, nine hundred sixty-three thousand, four hundred forty-three".