289238 has 16 divisors (see below), whose sum is σ = 471744. Its totient is φ = 132480.

The previous prime is 289213. The next prime is 289241. The reversal of 289238 is 832982.

It is a happy number.

It is a Curzon number.

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 289238.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1508 + ... + 1688.

It is an arithmetic number, because the mean of its divisors is an integer number (29484).

2²⁸⁹²³⁸ is an apocalyptic number.

289238 is a deficient number, since it is larger than the sum of its proper divisors (182506).

289238 is a wasteful number, since it uses less digits than its factorization.

289238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247.

The product of its digits is 6912, while the sum is 32.

The square root of 289238 is about 537.8085161096. The cubic root of 289238 is about 66.1330343903.

The spelling of 289238 in words is "two hundred eighty-nine thousand, two hundred thirty-eight".