2804138 has 8 divisors (see below), whose sum is σ = 4220832. Its totient is φ = 1397196.

The previous prime is 2804129. The next prime is 2804141. The reversal of 2804138 is 8314082.

2804138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 1670 + ... + 2897.

It is an arithmetic number, because the mean of its divisors is an integer number (527604).

2^2804138 is an apocalyptic number.

2804138 is a deficient number, since it is larger than the sum of its proper divisors (1416694).

2804138 is a wasteful number, since it uses less digits than its factorization.

2804138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4876.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 2804138 is about 1674.5560605725. The cubic root of 2804138 is about 141.0153731373.

The spelling of 2804138 in words is "two million, eight hundred four thousand, one hundred thirty-eight".