3308689 has 4 divisors (see below), whose sum is σ = 3322660. Its totient is φ = 3294720.

The previous prime is 3308677. The next prime is 3308713. The reversal of 3308689 is 9868033.

It is a happy number.

3308689 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1868689 + 1440000 = 1367^2 + 1200^2 .

It is a cyclic number.

It is not a de Polignac number, because 3308689 - 2²¹ = 1211537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3308609) 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, 6624 + ... + 7105.

It is an arithmetic number, because the mean of its divisors is an integer number (830665).

Almost surely, 2^3308689 is an apocalyptic number.

It is an amenable number.

3308689 is a deficient number, since it is larger than the sum of its proper divisors (13971).

3308689 is a wasteful number, since it uses less digits than its factorization.

3308689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13970.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 3308689 is about 1818.9802087983. The cubic root of 3308689 is about 149.0111097822.

The spelling of 3308689 in words is "three million, three hundred eight thousand, six hundred eighty-nine".