208964933 has 2 divisors, whose sum is σ = 208964934. Its totient is φ = 208964932.

The previous prime is 208964927. The next prime is 208964947. The reversal of 208964933 is 339469802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145491844 + 63473089 = 12062^2 + 7967^2 .

It is a cyclic number.

It is not a de Polignac number, because 208964933 - 2¹² = 208960837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208964953) 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, 104482466 + 104482467.

It is an arithmetic number, because the mean of its divisors is an integer number (104482467).

Almost surely, 2^208964933 is an apocalyptic number.

It is an amenable number.

208964933 is a deficient number, since it is larger than the sum of its proper divisors (1).

208964933 is an equidigital number, since it uses as much as digits as its factorization.

208964933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 208964933 is about 14455.6194263684. The cubic root of 208964933 is about 593.4140217315.

The spelling of 208964933 in words is "two hundred eight million, nine hundred sixty-four thousand, nine hundred thirty-three".