289367 has 4 divisors (see below), whose sum is σ = 311640. Its totient is φ = 267096.

The previous prime is 289361. The next prime is 289369. The reversal of 289367 is 763982.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 763982 = 2 ⋅381991.

It is a cyclic number.

It is not a de Polignac number, because 289367 - 2⁸ = 289111 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289367.

It is not an unprimeable number, because it can be changed into a prime (289361) 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, 11117 + ... + 11142.

It is an arithmetic number, because the mean of its divisors is an integer number (77910).

2²⁸⁹³⁶⁷ is an apocalyptic number.

289367 is a deficient number, since it is larger than the sum of its proper divisors (22273).

289367 is a wasteful number, since it uses less digits than its factorization.

289367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22272.

The product of its digits is 18144, while the sum is 35.

The square root of 289367 is about 537.9284339018. The cubic root of 289367 is about 66.1428646955.

It can be divided in two parts, 289 and 367, that added together give a palindrome (656).

The spelling of 289367 in words is "two hundred eighty-nine thousand, three hundred sixty-seven".