206738 has 8 divisors (see below), whose sum is σ = 354432. Its totient is φ = 88596.

The previous prime is 206699. The next prime is 206749. The reversal of 206738 is 837602.

206738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is an unprimeable number.

206738 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7370 + ... + 7397.

It is an arithmetic number, because the mean of its divisors is an integer number (44304).

2²⁰⁶⁷³⁸ is an apocalyptic number.

206738 is a deficient number, since it is larger than the sum of its proper divisors (147694).

206738 is a wasteful number, since it uses less digits than its factorization.

206738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14776.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 206738 is about 454.6845060039. The cubic root of 206738 is about 59.1298490332.

The spelling of 206738 in words is "two hundred six thousand, seven hundred thirty-eight".