3406439 has 4 divisors (see below), whose sum is σ = 3410520. Its totient is φ = 3402360.

The previous prime is 3406433. The next prime is 3406463. The reversal of 3406439 is 9346043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3406439 - 2²⁰ = 2357863 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3406433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284 + ... + 2625.

It is an arithmetic number, because the mean of its divisors is an integer number (852630).

Almost surely, 2^3406439 is an apocalyptic number.

3406439 is a deficient number, since it is larger than the sum of its proper divisors (4081).

3406439 is a wasteful number, since it uses less digits than its factorization.

3406439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 3406439 is about 1845.6540845998. The cubic root of 3406439 is about 150.4643241670.

The spelling of 3406439 in words is "three million, four hundred six thousand, four hundred thirty-nine".