200985 has 8 divisors (see below), whose sum is σ = 321600. Its totient is φ = 107184.

The previous prime is 200983. The next prime is 200987. The reversal of 200985 is 589002.

200985 is nontrivially palindromic in base 12.

It is an interprime number because it is at equal distance from previous prime (200983) and next prime (200987).

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

It is not a de Polignac number, because 200985 - 2¹ = 200983 is a prime.

200985 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 200985.

It is not an unprimeable number, because it can be changed into a prime (200983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6685 + ... + 6714.

It is an arithmetic number, because the mean of its divisors is an integer number (40200).

2²⁰⁰⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

200985 is a deficient number, since it is larger than the sum of its proper divisors (120615).

200985 is a wasteful number, since it uses less digits than its factorization.

200985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13407.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 200985 is about 448.3135063770. The cubic root of 200985 is about 58.5762028345.

Adding to 200985 its reverse (589002), we get a palindrome (789987).

The spelling of 200985 in words is "two hundred thousand, nine hundred eighty-five".