328364809 has 8 divisors (see below), whose sum is σ = 348634368. Its totient is φ = 308201280.

The previous prime is 328364801. The next prime is 328364833. The reversal of 328364809 is 908463823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 328364809 - 2³ = 328364801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328364801) 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 7 ways as a sum of consecutive naturals, for example, 20077 + ... + 32554.

It is an arithmetic number, because the mean of its divisors is an integer number (43579296).

Almost surely, 2^328364809 is an apocalyptic number.

It is an amenable number.

328364809 is a deficient number, since it is larger than the sum of its proper divisors (20269559).

328364809 is a wasteful number, since it uses less digits than its factorization.

328364809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53015.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 328364809 is about 18120.8390810139. The cubic root of 328364809 is about 689.8990323451.

The spelling of 328364809 in words is "three hundred twenty-eight million, three hundred sixty-four thousand, eight hundred nine".