1806044 has 12 divisors (see below), whose sum is σ = 3246264. Its totient is φ = 878544.

The previous prime is 1806041. The next prime is 1806059. The reversal of 1806044 is 4406081.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1806041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5954 + ... + 6249.

It is an arithmetic number, because the mean of its divisors is an integer number (270522).

2^1806044 is an apocalyptic number.

It is an amenable number.

1806044 is a deficient number, since it is larger than the sum of its proper divisors (1440220).

1806044 is a wasteful number, since it uses less digits than its factorization.

1806044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12244 (or 12242 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1806044 is about 1343.8913646571. The cubic root of 1806044 is about 121.7800390246.

The spelling of 1806044 in words is "one million, eight hundred six thousand, forty-four".