2049804 has 36 divisors (see below), whose sum is σ = 5243784. Its totient is φ = 675072.

The previous prime is 2049797. The next prime is 2049821. The reversal of 2049804 is 4089402.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3199 + ... + 3785.

2^2049804 is an apocalyptic number.

It is an amenable number.

2049804 is an abundant number, since it is smaller than the sum of its proper divisors (3193980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2049804 is a wasteful number, since it uses less digits than its factorization.

2049804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2049804 is about 1431.7136585225. The cubic root of 2049804 is about 127.0293606038.

The spelling of 2049804 in words is "two million, forty-nine thousand, eight hundred four".