3838665 has 16 divisors (see below), whose sum is σ = 6465600. Its totient is φ = 1939392.

The previous prime is 3838661. The next prime is 3838711. The reversal of 3838665 is 5668383.

3838665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3838665 - 2² = 3838661 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 6450 + ... + 7019.

It is an arithmetic number, because the mean of its divisors is an integer number (404100).

Almost surely, 2^3838665 is an apocalyptic number.

It is an amenable number.

3838665 is a deficient number, since it is larger than the sum of its proper divisors (2626935).

3838665 is a wasteful number, since it uses less digits than its factorization.

3838665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13496.

The product of its digits is 103680, while the sum is 39.

The square root of 3838665 is about 1959.2511324483. The cubic root of 3838665 is about 156.5765565007.

The spelling of 3838665 in words is "three million, eight hundred thirty-eight thousand, six hundred sixty-five".