3405406 has 16 divisors (see below), whose sum is σ = 5556816. Its totient is φ = 1558656.

The previous prime is 3405397. The next prime is 3405431. The reversal of 3405406 is 6045043.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96 + ... + 2611.

It is an arithmetic number, because the mean of its divisors is an integer number (347301).

Almost surely, 2^3405406 is an apocalyptic number.

3405406 is a deficient number, since it is larger than the sum of its proper divisors (2151410).

3405406 is a wasteful number, since it uses less digits than its factorization.

3405406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 3405406 is about 1845.3742167918. The cubic root of 3405406 is about 150.4491132326.

The spelling of 3405406 in words is "three million, four hundred five thousand, four hundred six".