2044805 has 16 divisors (see below), whose sum is σ = 2881920. Its totient is φ = 1363392.

The previous prime is 2044789. The next prime is 2044831. The reversal of 2044805 is 5084402.

It is a cyclic number.

It is not a de Polignac number, because 2044805 - 2⁴ = 2044789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506 + ... + 2084.

It is an arithmetic number, because the mean of its divisors is an integer number (180120).

2^2044805 is an apocalyptic number.

It is an amenable number.

2044805 is a deficient number, since it is larger than the sum of its proper divisors (837115).

2044805 is a wasteful number, since it uses less digits than its factorization.

2044805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2044805 is about 1429.9667828310. The cubic root of 2044805 is about 126.9260114223.

The spelling of 2044805 in words is "two million, forty-four thousand, eight hundred five".