200684 has 12 divisors (see below), whose sum is σ = 383208. Its totient is φ = 91200.

The previous prime is 200671. The next prime is 200689. The reversal of 200684 is 486002.

200684 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (200689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2237 + ... + 2324.

It is an arithmetic number, because the mean of its divisors is an integer number (31934).

2²⁰⁰⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

200684 is a deficient number, since it is larger than the sum of its proper divisors (182524).

200684 is a wasteful number, since it uses less digits than its factorization.

200684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4576 (or 4574 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 200684 is about 447.9776780153. The cubic root of 200684 is about 58.5469465117.

Adding to 200684 its sum of digits (20), we get a square (200704 = 448²).

Adding to 200684 its reverse (486002), we get a palindrome (686686).

The spelling of 200684 in words is "two hundred thousand, six hundred eighty-four".