3838666 has 24 divisors (see below), whose sum is σ = 6410124. Its totient is φ = 1722240.

The previous prime is 3838661. The next prime is 3838711. The reversal of 3838666 is 6668383.

3838666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 16641 + 3822025 = 129^2 + 1955^2 .

It is not an unprimeable number, because it can be changed into a prime (3838661) 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 11 ways as a sum of consecutive naturals, for example, 13720 + ... + 13996.

Almost surely, 2^3838666 is an apocalyptic number.

3838666 is a deficient number, since it is larger than the sum of its proper divisors (2571458).

3838666 is a wasteful number, since it uses less digits than its factorization.

3838666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 333 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 3838666 is about 1959.2513876478. The cubic root of 3838666 is about 156.5765700971.

The spelling of 3838666 in words is "three million, eight hundred thirty-eight thousand, six hundred sixty-six".