2049903 has 12 divisors (see below), whose sum is σ = 2976480. Its totient is φ = 1359456.

The previous prime is 2049893. The next prime is 2049919. The reversal of 2049903 is 3099402.

It is not a de Polignac number, because 2049903 - 2⁸ = 2049647 is a prime.

2049903 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1675 + ... + 2627.

It is an arithmetic number, because the mean of its divisors is an integer number (248040).

2^2049903 is an apocalyptic number.

2049903 is a deficient number, since it is larger than the sum of its proper divisors (926577).

2049903 is a wasteful number, since it uses less digits than its factorization.

2049903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2049903 is about 1431.7482320576. The cubic root of 2049903 is about 127.0314056293.

The spelling of 2049903 in words is "two million, forty-nine thousand, nine hundred three".