#include<iostream>
using namespace std;
typedef long long lint;
#define rep(i,n)for(int i=0;i<(int)(n);++i)

const int N=1e6+10;
bool pr[N],pp[N];
int fac[N];
void pr_init(void){
  rep(i,N)if(i>=2)pr[i]=1;
  rep(i,N){
    if(i<=1)continue;
    if(!pr[i])continue;
    fac[i]=i;
    pp[i]=1;
    for(lint j=lint(i)*i;j<N;j+=i){
      pr[j]=0;
      if(fac[j]==0)fac[j]=i,pp[j]=pp[j/i]&&fac[j/i]==i;
    }
  }
}
int main(){
  int n;cin>>n;
  pr_init();
  lint p=0;
  rep(i,n+1)if(pr[i])p=i;
  lint ans=1;
  for(lint i=1;i<=n;i++){
    if(i!=p&&pp[i])ans=ans*fac[i]%998244353;
  }
  cout<<ans<<endl;
}