289898 has 8 divisors (see below), whose sum is σ = 496992. Its totient is φ = 124236.

The previous prime is 289897. The next prime is 289937. The reversal of 289898 is 898982.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289898.

It is not an unprimeable number, because it can be changed into a prime (289897) 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, 10340 + ... + 10367.

It is an arithmetic number, because the mean of its divisors is an integer number (62124).

2²⁸⁹⁸⁹⁸ is an apocalyptic number.

289898 is a deficient number, since it is larger than the sum of its proper divisors (207094).

289898 is a wasteful number, since it uses less digits than its factorization.

289898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20716.

The product of its digits is 82944, while the sum is 44.

The square root of 289898 is about 538.4217677620. The cubic root of 289898 is about 66.1832982391.

The spelling of 289898 in words is "two hundred eighty-nine thousand, eight hundred ninety-eight".