200986 has 4 divisors (see below), whose sum is σ = 301482. Its totient is φ = 100492.

The previous prime is 200983. The next prime is 200987. The reversal of 200986 is 689002.

200986 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 101761 + 99225 = 319^2 + 315^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200986.

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 as a sum of consecutive naturals, namely, 50245 + ... + 50248.

2²⁰⁰⁹⁸⁶ is an apocalyptic number.

200986 is a deficient number, since it is larger than the sum of its proper divisors (100496).

200986 is a wasteful number, since it uses less digits than its factorization.

200986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100495.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 200986 is about 448.3146216665. The cubic root of 200986 is about 58.5762999829.

Adding to 200986 its reverse (689002), we get a palindrome (889988).

The spelling of 200986 in words is "two hundred thousand, nine hundred eighty-six".