2804456 has 24 divisors (see below), whose sum is σ = 5590470. Its totient is φ = 1318656.

The previous prime is 2804449. The next prime is 2804471. The reversal of 2804456 is 6544082.

2804456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2402500 + 401956 = 1550^2 + 634^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

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 5 ways as a sum of consecutive naturals, for example, 1706 + ... + 2918.

2^2804456 is an apocalyptic number.

It is an amenable number.

2804456 is a deficient number, since it is larger than the sum of its proper divisors (2786014).

2804456 is a wasteful number, since it uses less digits than its factorization.

2804456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 2804456 is about 1674.6510084194. The cubic root of 2804456 is about 141.0207034971.

The spelling of 2804456 in words is "two million, eight hundred four thousand, four hundred fifty-six".