206741 has 4 divisors (see below), whose sum is σ = 213900. Its totient is φ = 199584.

The previous prime is 206699. The next prime is 206749. The reversal of 206741 is 147602.

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

It can be written as a sum of positive squares in 2 ways, for example, as 119716 + 87025 = 346^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 206741 - 2¹⁴ = 190357 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 (206749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3536 + ... + 3593.

It is an arithmetic number, because the mean of its divisors is an integer number (53475).

2²⁰⁶⁷⁴¹ is an apocalyptic number.

It is an amenable number.

206741 is a deficient number, since it is larger than the sum of its proper divisors (7159).

206741 is an equidigital number, since it uses as much as digits as its factorization.

206741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7158.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 206741 is about 454.6878049827. The cubic root of 206741 is about 59.1301350453.

The spelling of 206741 in words is "two hundred six thousand, seven hundred forty-one".