328268809 has 8 divisors (see below), whose sum is σ = 363017952. Its totient is φ = 294337440.

The previous prime is 328268771. The next prime is 328268813. The reversal of 328268809 is 908862823.

It is a happy number.

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 328268809 - 2¹¹ = 328266761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328268819) 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, 203599 + ... + 205204.

It is an arithmetic number, because the mean of its divisors is an integer number (45377244).

Almost surely, 2^328268809 is an apocalyptic number.

It is an amenable number.

328268809 is a deficient number, since it is larger than the sum of its proper divisors (34749143).

328268809 is a wasteful number, since it uses less digits than its factorization.

328268809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408887.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 328268809 is about 18118.1900034192. The cubic root of 328268809 is about 689.8317933468.

The spelling of 328268809 in words is "three hundred twenty-eight million, two hundred sixty-eight thousand, eight hundred nine".