289486 has 8 divisors (see below), whose sum is σ = 442584. Its totient is φ = 141960.

The previous prime is 289477. The next prime is 289489. The reversal of 289486 is 684982.

289486 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260 + ... + 1471.

It is an arithmetic number, because the mean of its divisors is an integer number (55323).

2²⁸⁹⁴⁸⁶ is an apocalyptic number.

289486 is a deficient number, since it is larger than the sum of its proper divisors (153098).

289486 is a wasteful number, since it uses less digits than its factorization.

289486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786.

The product of its digits is 27648, while the sum is 37.

The square root of 289486 is about 538.0390320414. The cubic root of 289486 is about 66.1519303712.

The spelling of 289486 in words is "two hundred eighty-nine thousand, four hundred eighty-six".