2239903 has 4 divisors (see below), whose sum is σ = 2371680. Its totient is φ = 2108128.

The previous prime is 2239889. The next prime is 2239933. The reversal of 2239903 is 3099322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2239903 - 2¹³ = 2231711 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 (2239933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65863 + ... + 65896.

It is an arithmetic number, because the mean of its divisors is an integer number (592920).

2^2239903 is an apocalyptic number.

2239903 is a deficient number, since it is larger than the sum of its proper divisors (131777).

2239903 is a wasteful number, since it uses less digits than its factorization.

2239903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131776.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 2239903 is about 1496.6305489332. The cubic root of 2239903 is about 130.8407637289.

The spelling of 2239903 in words is "two million, two hundred thirty-nine thousand, nine hundred three".