2804047 has 4 divisors (see below), whose sum is σ = 2824360. Its totient is φ = 2783736.

The previous prime is 2804041. The next prime is 2804051. The reversal of 2804047 is 7404082.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2804047 - 2¹⁹ = 2279759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2804041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9948 + ... + 10225.

It is an arithmetic number, because the mean of its divisors is an integer number (706090).

2^2804047 is an apocalyptic number.

2804047 is a deficient number, since it is larger than the sum of its proper divisors (20313).

2804047 is a wasteful number, since it uses less digits than its factorization.

2804047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20312.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2804047 is about 1674.5288889715. The cubic root of 2804047 is about 141.0138477086.

The spelling of 2804047 in words is "two million, eight hundred four thousand, forty-seven".