3345439 has 2 divisors, whose sum is σ = 3345440. Its totient is φ = 3345438.

The previous prime is 3345431. The next prime is 3345451. The reversal of 3345439 is 9345433.

3345439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3345439 - 2³ = 3345431 is a prime.

It is a super-2 number, since 2×3345439² = 22383924205442, which contains 22 as substring.

3345439 is a lucky number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3345439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3345431) 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, 1672719 + 1672720.

It is an arithmetic number, because the mean of its divisors is an integer number (1672720).

Almost surely, 2^3345439 is an apocalyptic number.

3345439 is a deficient number, since it is larger than the sum of its proper divisors (1).

3345439 is an equidigital number, since it uses as much as digits as its factorization.

3345439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 31.

The square root of 3345439 is about 1829.0541271378. The cubic root of 3345439 is about 149.5607743870.

The spelling of 3345439 in words is "three million, three hundred forty-five thousand, four hundred thirty-nine".