3996603 has 12 divisors (see below), whose sum is σ = 6217120. Its totient is φ = 2459376.

The previous prime is 3996589. The next prime is 3996647. The reversal of 3996603 is 3066993.

It is not a de Polignac number, because 3996603 - 2⁸ = 3996347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3996653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16963 + ... + 17196.

Almost surely, 2^3996603 is an apocalyptic number.

3996603 is a deficient number, since it is larger than the sum of its proper divisors (2220517).

3996603 is a wasteful number, since it uses less digits than its factorization.

3996603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34178 (or 34175 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 3996603 is about 1999.1505696170. The cubic root of 3996603 is about 158.6951557919.

The spelling of 3996603 in words is "three million, nine hundred ninety-six thousand, six hundred three".