208204099 has 2 divisors, whose sum is σ = 208204100. Its totient is φ = 208204098.

The previous prime is 208204013. The next prime is 208204121. The reversal of 208204099 is 990402802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 208204099 - 2⁷ = 208203971 is a prime.

It is not a weakly prime, because it can be changed into another prime (208204499) 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, 104102049 + 104102050.

It is an arithmetic number, because the mean of its divisors is an integer number (104102050).

Almost surely, 2^208204099 is an apocalyptic number.

208204099 is a deficient number, since it is larger than the sum of its proper divisors (1).

208204099 is an equidigital number, since it uses as much as digits as its factorization.

208204099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 208204099 is about 14429.2792266281. The cubic root of 208204099 is about 592.6929459973.

The spelling of 208204099 in words is "two hundred eight million, two hundred four thousand, ninety-nine".