3986188 has 12 divisors (see below), whose sum is σ = 7038360. Its totient is φ = 1975232.

The previous prime is 3986173. The next prime is 3986189. The reversal of 3986188 is 8816893.

It is a happy number.

3986188 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 (3986189) 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, 3958 + ... + 4861.

It is an arithmetic number, because the mean of its divisors is an integer number (586530).

Almost surely, 2^3986188 is an apocalyptic number.

It is an amenable number.

3986188 is a deficient number, since it is larger than the sum of its proper divisors (3052172).

3986188 is a wasteful number, since it uses less digits than its factorization.

3986188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8936 (or 8934 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The square root of 3986188 is about 1996.5440140403. The cubic root of 3986188 is about 158.5571846323.

The spelling of 3986188 in words is "three million, nine hundred eighty-six thousand, one hundred eighty-eight".