2808263 has 8 divisors (see below), whose sum is σ = 2927520. Its totient is φ = 2691360.

The previous prime is 2808251. The next prime is 2808269. The reversal of 2808263 is 3628082.

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 2808263 - 2⁸ = 2808007 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 (2808269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2093 + ... + 3161.

It is an arithmetic number, because the mean of its divisors is an integer number (365940).

2^2808263 is an apocalyptic number.

2808263 is a deficient number, since it is larger than the sum of its proper divisors (119257).

2808263 is a wasteful number, since it uses less digits than its factorization.

2808263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2808263 is about 1675.7872776698. The cubic root of 2808263 is about 141.0844856914.

The spelling of 2808263 in words is "two million, eight hundred eight thousand, two hundred sixty-three".