326683609 has 16 divisors (see below), whose sum is σ = 381047040. Its totient is φ = 274282560.

The previous prime is 326683589. The next prime is 326683631. The reversal of 326683609 is 906386623.

It is a cyclic number.

It is not a de Polignac number, because 326683609 - 2⁷ = 326683481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326683639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110847 + ... + 113755.

It is an arithmetic number, because the mean of its divisors is an integer number (23815440).

Almost surely, 2^326683609 is an apocalyptic number.

It is an amenable number.

326683609 is a deficient number, since it is larger than the sum of its proper divisors (54363431).

326683609 is a wasteful number, since it uses less digits than its factorization.

326683609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240.

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 326683609 is about 18074.3909717589. The cubic root of 326683609 is about 688.7196090029.

The spelling of 326683609 in words is "three hundred twenty-six million, six hundred eighty-three thousand, six hundred nine".