289219 has 8 divisors (see below), whose sum is σ = 335360. Its totient is φ = 244296.

The previous prime is 289213. The next prime is 289241. The reversal of 289219 is 912982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-289219 is a prime.

It is a super-2 number, since 2×289219² = 167295259922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

289219 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (289213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292 + ... + 814.

It is an arithmetic number, because the mean of its divisors is an integer number (41920).

2²⁸⁹²¹⁹ is an apocalyptic number.

289219 is a deficient number, since it is larger than the sum of its proper divisors (46141).

289219 is an equidigital number, since it uses as much as digits as its factorization.

289219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609.

The product of its digits is 2592, while the sum is 31.

The square root of 289219 is about 537.7908515399. The cubic root of 289219 is about 66.1315862689.

The spelling of 289219 in words is "two hundred eighty-nine thousand, two hundred nineteen".