289116 has 24 divisors (see below), whose sum is σ = 749840. Its totient is φ = 96336.

The previous prime is 289111. The next prime is 289127. The reversal of 289116 is 611982.

It is a super-2 number, since 2×289116² = 167176122912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 289116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289111) by changing a digit.

289116 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 7 ways as a sum of consecutive naturals, for example, 1231 + ... + 1446.

2²⁸⁹¹¹⁶ is an apocalyptic number.

It is an amenable number.

289116 is an abundant number, since it is smaller than the sum of its proper divisors (460724).

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

289116 is a wasteful number, since it uses less digits than its factorization.

289116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690 (or 2682 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 289116 is about 537.6950808776. The cubic root of 289116 is about 66.1237348228.

The spelling of 289116 in words is "two hundred eighty-nine thousand, one hundred sixteen".