328603 has 4 divisors (see below), whose sum is σ = 358488. Its totient is φ = 298720.

The previous prime is 328591. The next prime is 328619. The reversal of 328603 is 306823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306823 = 11 ⋅27893.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14926 + ... + 14947.

It is an arithmetic number, because the mean of its divisors is an integer number (89622).

2³²⁸⁶⁰³ is an apocalyptic number.

328603 is a deficient number, since it is larger than the sum of its proper divisors (29885).

328603 is a wasteful number, since it uses less digits than its factorization.

328603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29884.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 328603 is about 573.2390426340. The cubic root of 328603 is about 69.0065806228.

The spelling of 328603 in words is "three hundred twenty-eight thousand, six hundred three".