3398209 has 2 divisors, whose sum is σ = 3398210. Its totient is φ = 3398208.

The previous prime is 3398179. The next prime is 3398221. The reversal of 3398209 is 9028933.

3398209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2879809 + 518400 = 1697^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 3398209 - 2⁵ = 3398177 is a prime.

3398209 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3398309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1699104 + 1699105.

It is an arithmetic number, because the mean of its divisors is an integer number (1699105).

Almost surely, 2^3398209 is an apocalyptic number.

It is an amenable number.

3398209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3398209 is an equidigital number, since it uses as much as digits as its factorization.

3398209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 3398209 is about 1843.4231744231. The cubic root of 3398209 is about 150.3430518750.

The spelling of 3398209 in words is "three million, three hundred ninety-eight thousand, two hundred nine".