289082 has 4 divisors (see below), whose sum is σ = 433626. Its totient is φ = 144540.

The previous prime is 289067. The next prime is 289099. The reversal of 289082 is 280982.

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., 167281 + 121801 = 409^2 + 349^2 .

It is an unprimeable number.

289082 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72269 + ... + 72272.

2²⁸⁹⁰⁸² is an apocalyptic number.

289082 is a deficient number, since it is larger than the sum of its proper divisors (144544).

289082 is a wasteful number, since it uses less digits than its factorization.

289082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144543.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 289082 is about 537.6634635160. The cubic root of 289082 is about 66.1211426740.

Subtracting from 289082 its reverse (280982), we obtain a square (8100 = 90²).

The spelling of 289082 in words is "two hundred eighty-nine thousand, eighty-two".