328056 has 16 divisors (see below), whose sum is σ = 820200. Its totient is φ = 109344.

The previous prime is 328051. The next prime is 328061. The reversal of 328056 is 650823.

It is an interprime number because it is at equal distance from previous prime (328051) and next prime (328061).

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 13669 = 328056 / (3 + 2 + 8 + 0 + 5 + 6).

It is a nialpdrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328056.

It is not an unprimeable number, because it can be changed into a prime (328051) by changing a digit.

328056 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 6811 + ... + 6858.

2³²⁸⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

328056 is an abundant number, since it is smaller than the sum of its proper divisors (492144).

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

328056 is a wasteful number, since it uses less digits than its factorization.

328056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13678 (or 13674 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 328056 is about 572.7617305652. The cubic root of 328056 is about 68.9682693844.

Adding to 328056 its reverse (650823), we get a palindrome (978879).

The spelling of 328056 in words is "three hundred twenty-eight thousand, fifty-six".