289284 has 12 divisors (see below), whose sum is σ = 675024. Its totient is φ = 96424.

The previous prime is 289283. The next prime is 289291. The reversal of 289284 is 482982.

289284 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (289283) 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, 12042 + ... + 12065.

It is an arithmetic number, because the mean of its divisors is an integer number (56252).

2²⁸⁹²⁸⁴ is an apocalyptic number.

It is an amenable number.

289284 is an abundant number, since it is smaller than the sum of its proper divisors (385740).

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

289284 is a wasteful number, since it uses less digits than its factorization.

289284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24114 (or 24112 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 289284 is about 537.8512805600. The cubic root of 289284 is about 66.1365401057.

It can be divided in two parts, 28 and 9284, that multiplied together give a palindrome (259952).

The spelling of 289284 in words is "two hundred eighty-nine thousand, two hundred eighty-four".