3409906 has 4 divisors (see below), whose sum is σ = 5114862. Its totient is φ = 1704952.

The previous prime is 3409891. The next prime is 3409927. The reversal of 3409906 is 6099043.

3409906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6099043 = 37 ⋅164839.

It can be written as a sum of positive squares in only one way, i.e., 2975625 + 434281 = 1725^2 + 659^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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, 852475 + ... + 852478.

Almost surely, 2^3409906 is an apocalyptic number.

3409906 is a deficient number, since it is larger than the sum of its proper divisors (1704956).

3409906 is a wasteful number, since it uses less digits than its factorization.

3409906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704955.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 3409906 is about 1846.5930791596. The cubic root of 3409906 is about 150.5153533047.

The spelling of 3409906 in words is "three million, four hundred nine thousand, nine hundred six".