2804439 has 16 divisors (see below), whose sum is σ = 4320000. Its totient is φ = 1599360.

The previous prime is 2804437. The next prime is 2804449. The reversal of 2804439 is 9344082.

It is a happy number.

It is not a de Polignac number, because 2804439 - 2¹ = 2804437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2804437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1939 + ... + 3060.

It is an arithmetic number, because the mean of its divisors is an integer number (270000).

2^2804439 is an apocalyptic number.

2804439 is a deficient number, since it is larger than the sum of its proper divisors (1515561).

2804439 is a wasteful number, since it uses less digits than its factorization.

2804439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5030.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2804439 is about 1674.6459327273. The cubic root of 2804439 is about 141.0204185510.

The spelling of 2804439 in words is "two million, eight hundred four thousand, four hundred thirty-nine".