206934929 has 2 divisors, whose sum is σ = 206934930. Its totient is φ = 206934928.

The previous prime is 206934901. The next prime is 206934953. The reversal of 206934929 is 929439602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158256400 + 48678529 = 12580^2 + 6977^2 .

It is a cyclic number.

It is not a de Polignac number, because 206934929 - 2¹² = 206930833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 206934929.

It is not a weakly prime, because it can be changed into another prime (206934029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103467464 + 103467465.

It is an arithmetic number, because the mean of its divisors is an integer number (103467465).

Almost surely, 2^206934929 is an apocalyptic number.

It is an amenable number.

206934929 is a deficient number, since it is larger than the sum of its proper divisors (1).

206934929 is an equidigital number, since it uses as much as digits as its factorization.

206934929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 206934929 is about 14385.2330186202. The cubic root of 206934929 is about 591.4861785609.

The spelling of 206934929 in words is "two hundred six million, nine hundred thirty-four thousand, nine hundred twenty-nine".