2203439 has 4 divisors (see below), whose sum is σ = 2518224. Its totient is φ = 1888656.

The previous prime is 2203433. The next prime is 2203441. The reversal of 2203439 is 9343022.

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

It is not a de Polignac number, because 2203439 - 2²⁰ = 1154863 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 (2203433) 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 3 ways as a sum of consecutive naturals, for example, 157382 + ... + 157395.

It is an arithmetic number, because the mean of its divisors is an integer number (629556).

2^2203439 is an apocalyptic number.

2203439 is a deficient number, since it is larger than the sum of its proper divisors (314785).

2203439 is an equidigital number, since it uses as much as digits as its factorization.

2203439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314784.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 2203439 is about 1484.3985313924. The cubic root of 2203439 is about 130.1268781009.

The spelling of 2203439 in words is "two million, two hundred three thousand, four hundred thirty-nine".