3398309 has 2 divisors, whose sum is σ = 3398310. Its totient is φ = 3398308.

The previous prime is 3398267. The next prime is 3398327. The reversal of 3398309 is 9038933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1716100 + 1682209 = 1310^2 + 1297^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3398309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3398389) 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, 1699154 + 1699155.

It is an arithmetic number, because the mean of its divisors is an integer number (1699155).

Almost surely, 2^3398309 is an apocalyptic number.

It is an amenable number.

3398309 is a deficient number, since it is larger than the sum of its proper divisors (1).

3398309 is an equidigital number, since it uses as much as digits as its factorization.

3398309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 3398309 is about 1843.4502976755. The cubic root of 3398309 is about 150.3445265889.

It can be divided in two parts, 339 and 8309, that multiplied together give a triangular number (2816751 = T₂₃₇₃).

The spelling of 3398309 in words is "three million, three hundred ninety-eight thousand, three hundred nine".