206293 has 4 divisors (see below), whose sum is σ = 209440. Its totient is φ = 203148.

The previous prime is 206291. The next prime is 206299. The reversal of 206293 is 392602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 206293 - 2¹ = 206291 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 (206291) 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, 1473 + ... + 1606.

It is an arithmetic number, because the mean of its divisors is an integer number (52360).

2²⁰⁶²⁹³ is an apocalyptic number.

It is an amenable number.

206293 is a deficient number, since it is larger than the sum of its proper divisors (3147).

206293 is an equidigital number, since it uses as much as digits as its factorization.

206293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146.

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

The square root of 206293 is about 454.1948920893. The cubic root of 206293 is about 59.0873932281.

Adding to 206293 its reverse (392602), we get a palindrome (598895).

The spelling of 206293 in words is "two hundred six thousand, two hundred ninety-three".