3984388 has 12 divisors (see below), whose sum is σ = 7091280. Its totient is φ = 1958312.

The previous prime is 3984347. The next prime is 3984389. The reversal of 3984388 is 8834893.

It is not an unprimeable number, because it can be changed into a prime (3984389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8206 + ... + 8677.

It is an arithmetic number, because the mean of its divisors is an integer number (590940).

Almost surely, 2^3984388 is an apocalyptic number.

It is an amenable number.

3984388 is a deficient number, since it is larger than the sum of its proper divisors (3106892).

3984388 is a wasteful number, since it uses less digits than its factorization.

3984388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16946 (or 16944 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 3984388 is about 1996.0931841976. The cubic root of 3984388 is about 158.5333150522.

The spelling of 3984388 in words is "three million, nine hundred eighty-four thousand, three hundred eighty-eight".