328089 has 4 divisors (see below), whose sum is σ = 437456. Its totient is φ = 218724.

The previous prime is 328067. The next prime is 328093. The reversal of 328089 is 980823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 980823 = 3 ⋅326941.

It is not a de Polignac number, because 328089 - 2¹³ = 319897 is a prime.

It is a D-number.

It is a Duffinian number.

328089 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328089.

It is not an unprimeable number, because it can be changed into a prime (328589) 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 3 ways as a sum of consecutive naturals, for example, 54679 + ... + 54684.

It is an arithmetic number, because the mean of its divisors is an integer number (109364).

2³²⁸⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

328089 is a deficient number, since it is larger than the sum of its proper divisors (109367).

328089 is a wasteful number, since it uses less digits than its factorization.

328089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109366.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 328089 is about 572.7905376313. The cubic root of 328089 is about 68.9705818723.

The spelling of 328089 in words is "three hundred twenty-eight thousand, eighty-nine".