289834 has 4 divisors (see below), whose sum is σ = 434754. Its totient is φ = 144916.

The previous prime is 289789. The next prime is 289837. The reversal of 289834 is 438982.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 438982 = 2 ⋅219491.

It can be written as a sum of positive squares in only one way, i.e., 198025 + 91809 = 445^2 + 303^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 289834.

It is not an unprimeable number, because it can be changed into a prime (289837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72457 + ... + 72460.

2²⁸⁹⁸³⁴ is an apocalyptic number.

289834 is a deficient number, since it is larger than the sum of its proper divisors (144920).

289834 is a wasteful number, since it uses less digits than its factorization.

289834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144919.

The product of its digits is 13824, while the sum is 34.

The square root of 289834 is about 538.3623315203. The cubic root of 289834 is about 66.1784275112.

The spelling of 289834 in words is "two hundred eighty-nine thousand, eight hundred thirty-four".