3306649 has 4 divisors (see below), whose sum is σ = 3310336. Its totient is φ = 3302964.

The previous prime is 3306647. The next prime is 3306659. The reversal of 3306649 is 9466033.

3306649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3306649 - 2¹ = 3306647 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3306649.

It is not an unprimeable number, because it can be changed into a prime (3306643) 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 3 ways as a sum of consecutive naturals, for example, 472 + ... + 2614.

It is an arithmetic number, because the mean of its divisors is an integer number (827584).

Almost surely, 2^3306649 is an apocalyptic number.

It is an amenable number.

3306649 is a deficient number, since it is larger than the sum of its proper divisors (3687).

3306649 is a wasteful number, since it uses less digits than its factorization.

3306649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 3306649 is about 1818.4193685726. The cubic root of 3306649 is about 148.9804788022.

The spelling of 3306649 in words is "three million, three hundred six thousand, six hundred forty-nine".