328873 has 4 divisors (see below), whose sum is σ = 330948. Its totient is φ = 326800.

The previous prime is 328849. The next prime is 328883. The reversal of 328873 is 378823.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 162409 + 166464 = 403^2 + 408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328813) 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, 778 + ... + 1123.

It is an arithmetic number, because the mean of its divisors is an integer number (82737).

2³²⁸⁸⁷³ is an apocalyptic number.

It is an amenable number.

328873 is a deficient number, since it is larger than the sum of its proper divisors (2075).

328873 is a wasteful number, since it uses less digits than its factorization.

328873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074.

The product of its digits is 8064, while the sum is 31.

The square root of 328873 is about 573.4744981252. The cubic root of 328873 is about 69.0254754352.

The spelling of 328873 in words is "three hundred twenty-eight thousand, eight hundred seventy-three".