2804485 has 4 divisors (see below), whose sum is σ = 3365388. Its totient is φ = 2243584.

The previous prime is 2804471. The next prime is 2804497. The reversal of 2804485 is 5844082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5844082 = 2 ⋅2922041.

It can be written as a sum of positive squares in 2 ways, for example, as 1085764 + 1718721 = 1042^2 + 1311^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2804485 is a prime.

It is a super-4 number, since 4×2804485⁴ (a number of 27 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280444 + ... + 280453.

It is an arithmetic number, because the mean of its divisors is an integer number (841347).

2^2804485 is an apocalyptic number.

It is an amenable number.

2804485 is a deficient number, since it is larger than the sum of its proper divisors (560903).

2804485 is an equidigital number, since it uses as much as digits as its factorization.

2804485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560902.

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 2804485 is about 1674.6596669174. The cubic root of 2804485 is about 141.0211895791.

The spelling of 2804485 in words is "two million, eight hundred four thousand, four hundred eighty-five".