328929 has 8 divisors (see below), whose sum is σ = 444192. Its totient is φ = 216480.

The previous prime is 328921. The next prime is 328931. The reversal of 328929 is 929823.

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

It is not a de Polignac number, because 328929 - 2³ = 328921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 328929.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328929.

It is not an unprimeable number, because it can be changed into a prime (328921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412 + ... + 909.

It is an arithmetic number, because the mean of its divisors is an integer number (55524).

2³²⁸⁹²⁹ is an apocalyptic number.

It is an amenable number.

328929 is a deficient number, since it is larger than the sum of its proper divisors (115263).

328929 is a wasteful number, since it uses less digits than its factorization.

328929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407.

The product of its digits is 7776, while the sum is 33.

The square root of 328929 is about 573.5233212346. The cubic root of 328929 is about 69.0293930642.

The spelling of 328929 in words is "three hundred twenty-eight thousand, nine hundred twenty-nine".