2203979 has 4 divisors (see below), whose sum is σ = 2263584. Its totient is φ = 2144376.

The previous prime is 2203973. The next prime is 2203997. The reversal of 2203979 is 9793022.

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 2203979 - 2⁴ = 2203963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2203973) 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, 29747 + ... + 29820.

It is an arithmetic number, because the mean of its divisors is an integer number (565896).

2^2203979 is an apocalyptic number.

2203979 is a deficient number, since it is larger than the sum of its proper divisors (59605).

2203979 is an equidigital number, since it uses as much as digits as its factorization.

2203979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59604.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 2203979 is about 1484.5804121030. The cubic root of 2203979 is about 130.1375073604.

The spelling of 2203979 in words is "two million, two hundred three thousand, nine hundred seventy-nine".