2804039 has 16 divisors (see below), whose sum is σ = 3494400. Its totient is φ = 2195424.

The previous prime is 2804029. The next prime is 2804041. The reversal of 2804039 is 9304082.

2804039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2804039 - 2⁴ = 2804023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2803999 and 2804017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2804029) 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 in 15 ways as a sum of consecutive naturals, for example, 3494 + ... + 4220.

It is an arithmetic number, because the mean of its divisors is an integer number (218400).

2^2804039 is an apocalyptic number.

2804039 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2804039 is a deficient number, since it is larger than the sum of its proper divisors (690361).

2804039 is a wasteful number, since it uses less digits than its factorization.

2804039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2804039 is about 1674.5265002382. The cubic root of 2804039 is about 141.0137136034.

The spelling of 2804039 in words is "two million, eight hundred four thousand, thirty-nine".