219396 has 24 divisors (see below), whose sum is σ = 524160. Its totient is φ = 71392.

The previous prime is 219389. The next prime is 219407. The reversal of 219396 is 693912.

219396 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 219396.

It is an unprimeable number.

219396 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 in 7 ways as a sum of consecutive naturals, for example, 370 + ... + 758.

It is an arithmetic number, because the mean of its divisors is an integer number (21840).

2²¹⁹³⁹⁶ is an apocalyptic number.

It is an amenable number.

219396 is an abundant number, since it is smaller than the sum of its proper divisors (304764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

219396 is a wasteful number, since it uses less digits than its factorization.

219396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 441 counting only the distinct ones).

The product of its digits is 2916, while the sum is 30.

The square root of 219396 is about 468.3972672849. The cubic root of 219396 is about 60.3128107674.

It can be divided in two parts, 21939 and 6, that added together give a triangular number (21945 = T₂₀₉).

The spelling of 219396 in words is "two hundred nineteen thousand, three hundred ninety-six".