289384 has 16 divisors (see below), whose sum is σ = 552420. Its totient is φ = 142080.

The previous prime is 289381. The next prime is 289397. The reversal of 289384 is 483982.

It can be written as a sum of positive squares in 2 ways, for example, as 272484 + 16900 = 522^2 + 130^2 .

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (289381) 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, 192 + ... + 784.

2²⁸⁹³⁸⁴ is an apocalyptic number.

It is an amenable number.

289384 is a deficient number, since it is larger than the sum of its proper divisors (263036).

289384 is a wasteful number, since it uses less digits than its factorization.

289384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 656 counting only the distinct ones).

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

The square root of 289384 is about 537.9442350281. The cubic root of 289384 is about 66.1441599442.

The spelling of 289384 in words is "two hundred eighty-nine thousand, three hundred eighty-four".