3438439 has 2 divisors, whose sum is σ = 3438440. Its totient is φ = 3438438.

The previous prime is 3438419. The next prime is 3438451. The reversal of 3438439 is 9348343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3438439 - 2¹⁵ = 3405671 is a prime.

3438439 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3438419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1719219 + 1719220.

It is an arithmetic number, because the mean of its divisors is an integer number (1719220).

Almost surely, 2^3438439 is an apocalyptic number.

3438439 is a deficient number, since it is larger than the sum of its proper divisors (1).

3438439 is an equidigital number, since it uses as much as digits as its factorization.

3438439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 34.

The square root of 3438439 is about 1854.3028339513. The cubic root of 3438439 is about 150.9340091453.

The spelling of 3438439 in words is "three million, four hundred thirty-eight thousand, four hundred thirty-nine".