9996603 has 16 divisors (see below), whose sum is σ = 14206080. Its totient is φ = 6234624.

The previous prime is 9996599. The next prime is 9996617. The reversal of 9996603 is 3066999.

It is not a de Polignac number, because 9996603 - 2² = 9996599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9996673) 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 15 ways as a sum of consecutive naturals, for example, 3675 + ... + 5787.

It is an arithmetic number, because the mean of its divisors is an integer number (887880).

Almost surely, 2^9996603 is an apocalyptic number.

9996603 is a deficient number, since it is larger than the sum of its proper divisors (4209477).

9996603 is a wasteful number, since it uses less digits than its factorization.

9996603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218.

The product of its (nonzero) digits is 78732, while the sum is 42.

The square root of 9996603 is about 3161.7405016857. The cubic root of 9996603 is about 215.4190708582.

The spelling of 9996603 in words is "nine million, nine hundred ninety-six thousand, six hundred three".