3969388 has 12 divisors (see below), whose sum is σ = 6977880. Its totient is φ = 1975712.

The previous prime is 3969377. The next prime is 3969389. The reversal of 3969388 is 8839693.

3969388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3969389) 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 3 ways as a sum of consecutive naturals, for example, 1198 + ... + 3061.

It is an arithmetic number, because the mean of its divisors is an integer number (581490).

Almost surely, 2^3969388 is an apocalyptic number.

It is an amenable number.

3969388 is a deficient number, since it is larger than the sum of its proper divisors (3008492).

3969388 is a wasteful number, since it uses less digits than its factorization.

3969388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496 (or 4494 counting only the distinct ones).

The product of its digits is 279936, while the sum is 46.

The square root of 3969388 is about 1992.3323016003. The cubic root of 3969388 is about 158.3341217566.

The spelling of 3969388 in words is "three million, nine hundred sixty-nine thousand, three hundred eighty-eight".