289206 has 12 divisors (see below), whose sum is σ = 626652. Its totient is φ = 96396.

The previous prime is 289193. The next prime is 289213. The reversal of 289206 is 602982.

It is a super-2 number, since 2×289206² = 167280220872, which contains 22 as substring.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 289206.

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 289206.

It is an unprimeable number.

289206 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 in 5 ways as a sum of consecutive naturals, for example, 8016 + ... + 8051.

It is an arithmetic number, because the mean of its divisors is an integer number (52221).

2²⁸⁹²⁰⁶ is an apocalyptic number.

289206 is an abundant number, since it is smaller than the sum of its proper divisors (337446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289206 is a wasteful number, since it uses less digits than its factorization.

289206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16075 (or 16072 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 289206 is about 537.7787649210. The cubic root of 289206 is about 66.1305954125.

The spelling of 289206 in words is "two hundred eighty-nine thousand, two hundred six".