289899 has 12 divisors (see below), whose sum is σ = 434616. Its totient is φ = 193104.

The previous prime is 289897. The next prime is 289937. The reversal of 289899 is 998982.

It is not a de Polignac number, because 289899 - 2¹ = 289897 is a prime.

289899 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289899.

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 11 ways as a sum of consecutive naturals, for example, 354 + ... + 839.

It is an arithmetic number, because the mean of its divisors is an integer number (36218).

2²⁸⁹⁸⁹⁹ is an apocalyptic number.

289899 is a deficient number, since it is larger than the sum of its proper divisors (144717).

289899 is an equidigital number, since it uses as much as digits as its factorization.

289899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208 (or 1196 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 289899 is about 538.4226964013. The cubic root of 289899 is about 66.1833743386.

The spelling of 289899 in words is "two hundred eighty-nine thousand, eight hundred ninety-nine".