3393809 has 2 divisors, whose sum is σ = 3393810. Its totient is φ = 3393808.

The previous prime is 3393791. The next prime is 3393833. The reversal of 3393809 is 9083933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2190400 + 1203409 = 1480^2 + 1097^2 .

It is a cyclic number.

It is not a de Polignac number, because 3393809 - 2⁸ = 3393553 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3393839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1696904 + 1696905.

It is an arithmetic number, because the mean of its divisors is an integer number (1696905).

Almost surely, 2^3393809 is an apocalyptic number.

It is an amenable number.

3393809 is a deficient number, since it is larger than the sum of its proper divisors (1).

3393809 is an equidigital number, since it uses as much as digits as its factorization.

3393809 is an evil number, because the sum of its binary digits is even.

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

The square root of 3393809 is about 1842.2293559706. The cubic root of 3393809 is about 150.2781358029.

The spelling of 3393809 in words is "three million, three hundred ninety-three thousand, eight hundred nine".