2872903 has 6 divisors (see below), whose sum is σ = 3157952. Its totient is φ = 2611620.

The previous prime is 2872897. The next prime is 2872921. The reversal of 2872903 is 3092782.

It is not a de Polignac number, because 2872903 - 2⁹ = 2872391 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 (2872973) 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 5 ways as a sum of consecutive naturals, for example, 11751 + ... + 11992.

2^2872903 is an apocalyptic number.

2872903 is a deficient number, since it is larger than the sum of its proper divisors (285049).

2872903 is a wasteful number, since it uses less digits than its factorization.

2872903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23765 (or 23754 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2872903 is about 1694.9640114174. The cubic root of 2872903 is about 142.1587690530.

The spelling of 2872903 in words is "two million, eight hundred seventy-two thousand, nine hundred three".