3839965 has 8 divisors (see below), whose sum is σ = 4808448. Its totient is φ = 2938320.

The previous prime is 3839963. The next prime is 3839987. The reversal of 3839965 is 5699383.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3839965 - 2¹ = 3839963 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3839963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16581 + ... + 16810.

It is an arithmetic number, because the mean of its divisors is an integer number (601056).

Almost surely, 2^3839965 is an apocalyptic number.

It is an amenable number.

3839965 is a deficient number, since it is larger than the sum of its proper divisors (968483).

3839965 is a wasteful number, since it uses less digits than its factorization.

3839965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33419.

The product of its digits is 174960, while the sum is 43.

The square root of 3839965 is about 1959.5828637748. The cubic root of 3839965 is about 156.5942298801.

The spelling of 3839965 in words is "three million, eight hundred thirty-nine thousand, nine hundred sixty-five".