328384 has 28 divisors (see below), whose sum is σ = 745744. Its totient is φ = 140544.

The previous prime is 328381. The next prime is 328397. The reversal of 328384 is 483823.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (328381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82 + ... + 814.

2³²⁸³⁸⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372872).

328384 is an abundant number, since it is smaller than the sum of its proper divisors (417360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328384 is an equidigital number, since it uses as much as digits as its factorization.

328384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752 (or 742 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 328384 is about 573.0479910095. The cubic root of 328384 is about 68.9912472269.

The spelling of 328384 in words is "three hundred twenty-eight thousand, three hundred eighty-four".