219364 has 12 divisors (see below), whose sum is σ = 387324. Its totient is φ = 108704.

The previous prime is 219361. The next prime is 219371. The reversal of 219364 is 463912.

219364 is digitally balanced in base 2 and base 3, because in such bases 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 102400 + 116964 = 320^2 + 342^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (219361) 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, 534 + ... + 850.

It is an arithmetic number, because the mean of its divisors is an integer number (32277).

2²¹⁹³⁶⁴ is an apocalyptic number.

It is an amenable number.

219364 is a deficient number, since it is larger than the sum of its proper divisors (167960).

219364 is a wasteful number, since it uses less digits than its factorization.

219364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 492 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 219364 is about 468.3631070014. The cubic root of 219364 is about 60.3098783168.

The spelling of 219364 in words is "two hundred nineteen thousand, three hundred sixty-four".