219368 has 16 divisors (see below), whose sum is σ = 435780. Its totient is φ = 103168.

The previous prime is 219361. The next prime is 219371. The reversal of 219368 is 863912.

219368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 209764 + 9604 = 458^2 + 98^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 219368.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 219368.

It is not an unprimeable number, because it can be changed into a prime (219361) by changing a digit.

219368 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671 + ... + 942.

2²¹⁹³⁶⁸ is an apocalyptic number.

It is an amenable number.

219368 is a deficient number, since it is larger than the sum of its proper divisors (216412).

219368 is a wasteful number, since it uses less digits than its factorization.

219368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636 (or 1632 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 219368 is about 468.3673771731. The cubic root of 219368 is about 60.3102448887.

The spelling of 219368 in words is "two hundred nineteen thousand, three hundred sixty-eight".