3381665 has 16 divisors (see below), whose sum is σ = 4727808. Its totient is φ = 2273856.

The previous prime is 3381647. The next prime is 3381673. The reversal of 3381665 is 5661833.

3381665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3381665 - 2⁸ = 3381409 is a prime.

It is a super-2 number, since 2×3381665² = 22871316344450, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

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, 944 + ... + 2766.

It is an arithmetic number, because the mean of its divisors is an integer number (295488).

Almost surely, 2^3381665 is an apocalyptic number.

3381665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3381665 is a deficient number, since it is larger than the sum of its proper divisors (1346143).

3381665 is a wasteful number, since it uses less digits than its factorization.

3381665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888.

The product of its digits is 12960, while the sum is 32.

The square root of 3381665 is about 1838.9303956376. The cubic root of 3381665 is about 150.0986758137.

The spelling of 3381665 in words is "three million, three hundred eighty-one thousand, six hundred sixty-five".