2804421 has 8 divisors (see below), whose sum is σ = 3786880. Its totient is φ = 1845792.

The previous prime is 2804411. The next prime is 2804437. The reversal of 2804421 is 1244082.

2804421 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 not a de Polignac number, because 2804421 - 2⁷ = 2804293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2804411) 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 7 ways as a sum of consecutive naturals, for example, 5680 + ... + 6153.

It is an arithmetic number, because the mean of its divisors is an integer number (473360).

2^2804421 is an apocalyptic number.

It is an amenable number.

2804421 is a deficient number, since it is larger than the sum of its proper divisors (982459).

2804421 is a wasteful number, since it uses less digits than its factorization.

2804421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11915.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2804421 is about 1674.6405584483. The cubic root of 2804421 is about 141.0201168420.

The spelling of 2804421 in words is "two million, eight hundred four thousand, four hundred twenty-one".