2803285 has 8 divisors (see below), whose sum is σ = 3480120. Its totient is φ = 2165184.

The previous prime is 2803259. The next prime is 2803291. The reversal of 2803285 is 5823082.

2803285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 904401 + 1898884 = 951^2 + 1378^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2803285 - 2⁵ = 2803253 is a prime.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 9522 + ... + 9811.

It is an arithmetic number, because the mean of its divisors is an integer number (435015).

2^2803285 is an apocalyptic number.

It is an amenable number.

2803285 is a deficient number, since it is larger than the sum of its proper divisors (676835).

2803285 is a wasteful number, since it uses less digits than its factorization.

2803285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19367.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2803285 is about 1674.3013468310. The cubic root of 2803285 is about 141.0010730432.

The spelling of 2803285 in words is "two million, eight hundred three thousand, two hundred eighty-five".