3406839 has 4 divisors (see below), whose sum is σ = 4542456. Its totient is φ = 2271224.

The previous prime is 3406811. The next prime is 3406841. The reversal of 3406839 is 9386043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3406839 - 2¹² = 3402743 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3406939) 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, 567804 + ... + 567809.

It is an arithmetic number, because the mean of its divisors is an integer number (1135614).

Almost surely, 2^3406839 is an apocalyptic number.

3406839 is a deficient number, since it is larger than the sum of its proper divisors (1135617).

3406839 is a wasteful number, since it uses less digits than its factorization.

3406839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135616.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 3406839 is about 1845.7624440865. The cubic root of 3406839 is about 150.4702133447.

The spelling of 3406839 in words is "three million, four hundred six thousand, eight hundred thirty-nine".