289086 has 16 divisors (see below), whose sum is σ = 660864. Its totient is φ = 82584.

The previous prime is 289067. The next prime is 289099. The reversal of 289086 is 680982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3400 + ... + 3483.

It is an arithmetic number, because the mean of its divisors is an integer number (41304).

2²⁸⁹⁰⁸⁶ is an apocalyptic number.

289086 is an abundant number, since it is smaller than the sum of its proper divisors (371778).

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

289086 is a wasteful number, since it uses less digits than its factorization.

289086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6895.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 289086 is about 537.6671833021. The cubic root of 289086 is about 66.1214476432.

The spelling of 289086 in words is "two hundred eighty-nine thousand, eighty-six".