328028 has 6 divisors (see below), whose sum is σ = 574056. Its totient is φ = 164012.

The previous prime is 328007. The next prime is 328037. The reversal of 328028 is 820823.

It is a junction number, because it is equal to n+sod(n) for n = 327994 and 328012.

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 328028.

It is an unprimeable number.

328028 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 as a sum of consecutive naturals, namely, 41000 + ... + 41007.

It is an arithmetic number, because the mean of its divisors is an integer number (95676).

2³²⁸⁰²⁸ is an apocalyptic number.

It is an amenable number.

328028 is a deficient number, since it is larger than the sum of its proper divisors (246028).

328028 is a wasteful number, since it uses less digits than its factorization.

328028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82011 (or 82009 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 328028 is about 572.7372870697. The cubic root of 328028 is about 68.9663071519.

The spelling of 328028 in words is "three hundred twenty-eight thousand, twenty-eight".