2804842 has 4 divisors (see below), whose sum is σ = 4207266. Its totient is φ = 1402420.

The previous prime is 2804839. The next prime is 2804843. The reversal of 2804842 is 2484082.

2804842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 2313441 + 491401 = 1521^2 + 701^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2804842.

It is not an unprimeable number, because it can be changed into a prime (2804843) by changing a digit.

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 as a sum of consecutive naturals, namely, 701209 + ... + 701212.

2^2804842 is an apocalyptic number.

2804842 is a deficient number, since it is larger than the sum of its proper divisors (1402424).

2804842 is a wasteful number, since it uses less digits than its factorization.

2804842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402423.

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 2804842 is about 1674.7662523469. The cubic root of 2804842 is about 141.0271731409.

The spelling of 2804842 in words is "two million, eight hundred four thousand, eight hundred forty-two".