289896 has 32 divisors (see below), whose sum is σ = 743040. Its totient is φ = 94208.

The previous prime is 289889. The next prime is 289897. The reversal of 289896 is 698982.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289896.

It is not an unprimeable number, because it can be changed into a prime (289897) by changing a digit.

289896 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, 1000 + ... + 1256.

It is an arithmetic number, because the mean of its divisors is an integer number (23220).

2²⁸⁹⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371520).

289896 is an abundant number, since it is smaller than the sum of its proper divisors (453144).

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

289896 is a wasteful number, since it uses less digits than its factorization.

289896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 309 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 289896 is about 538.4199104788. The cubic root of 289896 is about 66.1831460397.

It can be divided in two parts, 2 and 89896, that added together give a palindrome (89898).

The spelling of 289896 in words is "two hundred eighty-nine thousand, eight hundred ninety-six".