3398389 has 2 divisors, whose sum is σ = 3398390. Its totient is φ = 3398388.

The previous prime is 3398363. The next prime is 3398399. The reversal of 3398389 is 9838933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2480625 + 917764 = 1575^2 + 958^2 .

It is a cyclic number.

It is not a de Polignac number, because 3398389 - 2⁵ = 3398357 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1699194 + 1699195.

It is an arithmetic number, because the mean of its divisors is an integer number (1699195).

Almost surely, 2^3398389 is an apocalyptic number.

It is an amenable number.

3398389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3398389 is an equidigital number, since it uses as much as digits as its factorization.

3398389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 43.

The square root of 3398389 is about 1843.4719959902. The cubic root of 3398389 is about 150.3457063391.

The spelling of 3398389 in words is "three million, three hundred ninety-eight thousand, three hundred eighty-nine".