289882 has 4 divisors (see below), whose sum is σ = 434826. Its totient is φ = 144940.

The previous prime is 289871. The next prime is 289889. The reversal of 289882 is 288982.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 281961 + 7921 = 531^2 + 89^2 .

It is not an unprimeable number, because it can be changed into a prime (289889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72469 + ... + 72472.

2²⁸⁹⁸⁸² is an apocalyptic number.

289882 is a deficient number, since it is larger than the sum of its proper divisors (144944).

289882 is a wasteful number, since it uses less digits than its factorization.

289882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144943.

The product of its digits is 18432, while the sum is 37.

The square root of 289882 is about 538.4069093167. The cubic root of 289882 is about 66.1820806244.

Subtracting from 289882 its reverse (288982), we obtain a square (900 = 30²).

The spelling of 289882 in words is "two hundred eighty-nine thousand, eight hundred eighty-two".