1806412 has 12 divisors (see below), whose sum is σ = 3199896. Its totient is φ = 892160.

The previous prime is 1806407. The next prime is 1806421. The reversal of 1806412 is 2146081.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2389 + ... + 3052.

It is an arithmetic number, because the mean of its divisors is an integer number (266658).

2^1806412 is an apocalyptic number.

It is an amenable number.

1806412 is a deficient number, since it is larger than the sum of its proper divisors (1393484).

1806412 is a wasteful number, since it uses less digits than its factorization.

1806412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5528 (or 5526 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1806412 is about 1344.0282735121. The cubic root of 1806412 is about 121.7883097738.

The spelling of 1806412 in words is "one million, eight hundred six thousand, four hundred twelve".