3366681 has 4 divisors (see below), whose sum is σ = 4488912. Its totient is φ = 2244452.

The previous prime is 3366679. The next prime is 3366689. The reversal of 3366681 is 1866633.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3366681 - 2¹ = 3366679 is a prime.

It is a super-2 number, since 2×3366681² = 22669081911522, which contains 22 as substring.

It is a D-number.

3366681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3366689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561111 + ... + 561116.

It is an arithmetic number, because the mean of its divisors is an integer number (1122228).

Almost surely, 2^3366681 is an apocalyptic number.

It is an amenable number.

3366681 is a deficient number, since it is larger than the sum of its proper divisors (1122231).

3366681 is a wasteful number, since it uses less digits than its factorization.

3366681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122230.

The product of its digits is 15552, while the sum is 33.

The square root of 3366681 is about 1834.8517651298. The cubic root of 3366681 is about 149.8766541554.

The spelling of 3366681 in words is "three million, three hundred sixty-six thousand, six hundred eighty-one".