206329 has 8 divisors (see below), whose sum is σ = 223560. Its totient is φ = 189696.

The previous prime is 206303. The next prime is 206341. The reversal of 206329 is 923602.

It can be written as a sum of positive squares in 4 ways, for example, as 129600 + 76729 = 360^2 + 277^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 206329 - 2⁹ = 205817 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206369) 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 7 ways as a sum of consecutive naturals, for example, 787 + ... + 1015.

It is an arithmetic number, because the mean of its divisors is an integer number (27945).

2²⁰⁶³²⁹ is an apocalyptic number.

It is an amenable number.

206329 is a deficient number, since it is larger than the sum of its proper divisors (17231).

206329 is a wasteful number, since it uses less digits than its factorization.

206329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 206329 is about 454.2345209250. The cubic root of 206329 is about 59.0908301236.

It can be divided in two parts, 206 and 329, that added together give a palindrome (535).

The spelling of 206329 in words is "two hundred six thousand, three hundred twenty-nine".