3996668 has 24 divisors (see below), whose sum is σ = 7596960. Its totient is φ = 1828800.

The previous prime is 3996653. The next prime is 3996743. The reversal of 3996668 is 8666993.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7598 + ... + 8106.

It is an arithmetic number, because the mean of its divisors is an integer number (316540).

Almost surely, 2^3996668 is an apocalyptic number.

It is an amenable number.

3996668 is a deficient number, since it is larger than the sum of its proper divisors (3600292).

3996668 is a wasteful number, since it uses less digits than its factorization.

3996668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 675 counting only the distinct ones).

The product of its digits is 419904, while the sum is 47.

The square root of 3996668 is about 1999.1668264555. The cubic root of 3996668 is about 158.6960161166.

It can be divided in two parts, 3996 and 668, that added together give a palindrome (4664).

The spelling of 3996668 in words is "three million, nine hundred ninety-six thousand, six hundred sixty-eight".