206485843 has 2 divisors, whose sum is σ = 206485844. Its totient is φ = 206485842.

The previous prime is 206485841. The next prime is 206485847. The reversal of 206485843 is 348584602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206485843 - 2¹ = 206485841 is a prime.

Together with 206485841, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 206485796 and 206485805.

It is not a weakly prime, because it can be changed into another prime (206485841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103242921 + 103242922.

It is an arithmetic number, because the mean of its divisors is an integer number (103242922).

Almost surely, 2^206485843 is an apocalyptic number.

206485843 is a deficient number, since it is larger than the sum of its proper divisors (1).

206485843 is an equidigital number, since it uses as much as digits as its factorization.

206485843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 206485843 is about 14369.6152697280. The cubic root of 206485843 is about 591.0579915476.

The spelling of 206485843 in words is "two hundred six million, four hundred eighty-five thousand, eight hundred forty-three".