3996688 has 20 divisors (see below), whose sum is σ = 8151760. Its totient is φ = 1893024.

The previous prime is 3996653. The next prime is 3996743. The reversal of 3996688 is 8866993.

3996688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6270 + ... + 6877.

It is an arithmetic number, because the mean of its divisors is an integer number (407588).

Almost surely, 2^3996688 is an apocalyptic number.

3996688 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3996688 is an abundant number, since it is smaller than the sum of its proper divisors (4155072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3996688 is a wasteful number, since it uses less digits than its factorization.

3996688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13174 (or 13168 counting only the distinct ones).

The product of its digits is 559872, while the sum is 49.

The square root of 3996688 is about 1999.1718285330. The cubic root of 3996688 is about 158.6962808300.

The spelling of 3996688 in words is "three million, nine hundred ninety-six thousand, six hundred eighty-eight".