206867093 has 2 divisors, whose sum is σ = 206867094. Its totient is φ = 206867092.

The previous prime is 206867051. The next prime is 206867107. The reversal of 206867093 is 390768602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182196004 + 24671089 = 13498^2 + 4967^2 .

It is a cyclic number.

It is not a de Polignac number, because 206867093 - 2⁸ = 206866837 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 206867093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206867293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103433546 + 103433547.

It is an arithmetic number, because the mean of its divisors is an integer number (103433547).

Almost surely, 2^206867093 is an apocalyptic number.

It is an amenable number.

206867093 is a deficient number, since it is larger than the sum of its proper divisors (1).

206867093 is an equidigital number, since it uses as much as digits as its factorization.

206867093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 206867093 is about 14382.8749907659. The cubic root of 206867093 is about 591.4215391727.

The spelling of 206867093 in words is "two hundred six million, eight hundred sixty-seven thousand, ninety-three".