268219 has 4 divisors (see below), whose sum is σ = 306544. Its totient is φ = 229896.

The previous prime is 268211. The next prime is 268237. The reversal of 268219 is 912862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268219 - 2³ = 268211 is a prime.

It is a super-2 number, since 2×268219² = 143882863922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19152 + ... + 19165.

It is an arithmetic number, because the mean of its divisors is an integer number (76636).

2²⁶⁸²¹⁹ is an apocalyptic number.

268219 is a deficient number, since it is larger than the sum of its proper divisors (38325).

268219 is an equidigital number, since it uses as much as digits as its factorization.

268219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38324.

The product of its digits is 1728, while the sum is 28.

The square root of 268219 is about 517.8986387316. The cubic root of 268219 is about 64.4906141822.

It can be divided in two parts, 2682 and 19, that added together give a triangular number (2701 = T₇₃).

The spelling of 268219 in words is "two hundred sixty-eight thousand, two hundred nineteen".