2804049 has 6 divisors (see below), whose sum is σ = 4050306. Its totient is φ = 1869360.

The previous prime is 2804041. The next prime is 2804051. The reversal of 2804049 is 9404082.

2804049 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in only one way, i.e., 2663424 + 140625 = 1632^2 + 375^2 .

It is not a de Polignac number, because 2804049 - 2³ = 2804041 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 155772 + ... + 155789.

It is an arithmetic number, because the mean of its divisors is an integer number (675051).

2^2804049 is an apocalyptic number.

It is an amenable number.

2804049 is a deficient number, since it is larger than the sum of its proper divisors (1246257).

2804049 is a wasteful number, since it uses less digits than its factorization.

2804049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311567 (or 311564 counting only the distinct ones).

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

The square root of 2804049 is about 1674.5294861542. The cubic root of 2804049 is about 141.0138812348.

The spelling of 2804049 in words is "two million, eight hundred four thousand, forty-nine".