2043806 has 16 divisors (see below), whose sum is σ = 3201120. Its totient is φ = 977760.

The previous prime is 2043793. The next prime is 2043817. The reversal of 2043806 is 6083402.

It is a happy number.

It is a Curzon number.

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, 5060 + ... + 5448.

It is an arithmetic number, because the mean of its divisors is an integer number (200070).

2^2043806 is an apocalyptic number.

2043806 is a deficient number, since it is larger than the sum of its proper divisors (1157314).

2043806 is a wasteful number, since it uses less digits than its factorization.

2043806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2043806 is about 1429.6174313431. The cubic root of 2043806 is about 126.9053379367.

The spelling of 2043806 in words is "two million, forty-three thousand, eight hundred six".