3386665 has 4 divisors (see below), whose sum is σ = 4064004. Its totient is φ = 2709328.

The previous prime is 3386653. The next prime is 3386671. The reversal of 3386665 is 5666833.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2702736 + 683929 = 1644^2 + 827^2 .

It is a cyclic number.

It is not a de Polignac number, because 3386665 - 2⁵ = 3386633 is a prime.

It is a super-2 number, since 2×3386665² = 22938999644450, which contains 22 as substring.

It is a Duffinian number.

3386665 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338662 + ... + 338671.

It is an arithmetic number, because the mean of its divisors is an integer number (1016001).

Almost surely, 2^3386665 is an apocalyptic number.

It is an amenable number.

3386665 is a deficient number, since it is larger than the sum of its proper divisors (677339).

3386665 is an equidigital number, since it uses as much as digits as its factorization.

3386665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677338.

The product of its digits is 77760, while the sum is 37.

The square root of 3386665 is about 1840.2893794184. The cubic root of 3386665 is about 150.1726160965.

The spelling of 3386665 in words is "three million, three hundred eighty-six thousand, six hundred sixty-five".