3406686 has 16 divisors (see below), whose sum is σ = 6877200. Its totient is φ = 1124928.

The previous prime is 3406679. The next prime is 3406687. The reversal of 3406686 is 6866043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3406687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1951 + ... + 3258.

It is an arithmetic number, because the mean of its divisors is an integer number (429825).

Almost surely, 2^3406686 is an apocalyptic number.

3406686 is an abundant number, since it is smaller than the sum of its proper divisors (3470514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3406686 is a wasteful number, since it uses less digits than its factorization.

3406686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5323.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 3406686 is about 1845.7209973341. The cubic root of 3406686 is about 150.4679607887.

The spelling of 3406686 in words is "three million, four hundred six thousand, six hundred eighty-six".