The Born-Haber cycle for KCl is evaluated with the following data :
${\Delta _f}{H^\Theta }$ for KCl = $-$436.7 kJ mol^$-$1 ;
${\Delta _{sub}}{H^\Theta }$ for K = 89.2 kJ mol^$-$1 ;
${\Delta _{ionization}}{H^\Theta }$ for K = 419.0 kJ mol^$-$1 ;
${\Delta _{electron\,gain}}{H^\Theta }$ for Cl_(g) = $-$348.6 kJ mol^$-$1 ;
${\Delta _{bond}}{H^\Theta }$ for Cl₂ = 243.0 kJ mol^$-$1
The magnitude of lattice enthalpy of KCl in kJ mol^$-$1 is _____________ (Nearest integer)