3556406 has 16 divisors (see below), whose sum is σ = 6213024. Its totient is φ = 1495104.

The previous prime is 3556393. The next prime is 3556447. The reversal of 3556406 is 6046553.

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, 1655 + ... + 3138.

It is an arithmetic number, because the mean of its divisors is an integer number (388314).

Almost surely, 2^3556406 is an apocalyptic number.

3556406 is a deficient number, since it is larger than the sum of its proper divisors (2656618).

3556406 is a wasteful number, since it uses less digits than its factorization.

3556406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4855.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 3556406 is about 1885.8435778187. The cubic root of 3556406 is about 152.6407336520.

The spelling of 3556406 in words is "three million, five hundred fifty-six thousand, four hundred six".