206827429 has 2 divisors, whose sum is σ = 206827430. Its totient is φ = 206827428.

The previous prime is 206827421. The next prime is 206827513. The reversal of 206827429 is 924728602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197964900 + 8862529 = 14070^2 + 2977^2 .

It is a cyclic number.

It is not a de Polignac number, because 206827429 - 2³ = 206827421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206827391 and 206827400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206827421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103413714 + 103413715.

It is an arithmetic number, because the mean of its divisors is an integer number (103413715).

Almost surely, 2^206827429 is an apocalyptic number.

It is an amenable number.

206827429 is a deficient number, since it is larger than the sum of its proper divisors (1).

206827429 is an equidigital number, since it uses as much as digits as its factorization.

206827429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 206827429 is about 14381.4960626494. The cubic root of 206827429 is about 591.3837376983.

The spelling of 206827429 in words is "two hundred six million, eight hundred twenty-seven thousand, four hundred twenty-nine".