200289 has 4 divisors (see below), whose sum is σ = 267056. Its totient is φ = 133524.

The previous prime is 200273. The next prime is 200293. The reversal of 200289 is 982002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 200289 - 2⁴ = 200273 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200689) 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, 33379 + ... + 33384.

It is an arithmetic number, because the mean of its divisors is an integer number (66764).

2²⁰⁰²⁸⁹ is an apocalyptic number.

It is an amenable number.

200289 is a deficient number, since it is larger than the sum of its proper divisors (66767).

200289 is an equidigital number, since it uses as much as digits as its factorization.

200289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66766.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 200289 is about 447.5365906828. The cubic root of 200289 is about 58.5085092451.

The spelling of 200289 in words is "two hundred thousand, two hundred eighty-nine".