2203959 has 4 divisors (see below), whose sum is σ = 2938616. Its totient is φ = 1469304.

The previous prime is 2203951. The next prime is 2203961. The reversal of 2203959 is 9593022.

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

It is not a de Polignac number, because 2203959 - 2³ = 2203951 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203951) 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, 367324 + ... + 367329.

It is an arithmetic number, because the mean of its divisors is an integer number (734654).

2^2203959 is an apocalyptic number.

2203959 is a deficient number, since it is larger than the sum of its proper divisors (734657).

2203959 is an equidigital number, since it uses as much as digits as its factorization.

2203959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734656.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 2203959 is about 1484.5736761778. The cubic root of 2203959 is about 130.1371137151.

The spelling of 2203959 in words is "two million, two hundred three thousand, nine hundred fifty-nine".