206384 has 10 divisors (see below), whose sum is σ = 399900. Its totient is φ = 103184.

The previous prime is 206383. The next prime is 206399. The reversal of 206384 is 483602.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (206383) 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, 6434 + ... + 6465.

It is an arithmetic number, because the mean of its divisors is an integer number (39990).

2²⁰⁶³⁸⁴ is an apocalyptic number.

It is an amenable number.

206384 is a deficient number, since it is larger than the sum of its proper divisors (193516).

206384 is a wasteful number, since it uses less digits than its factorization.

206384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12907 (or 12901 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 206384 is about 454.2950583046. The cubic root of 206384 is about 59.0960801643.

Adding to 206384 its reverse (483602), we get a palindrome (689986).

The spelling of 206384 in words is "two hundred six thousand, three hundred eighty-four".