2090443 has 4 divisors (see below), whose sum is σ = 2099880. Its totient is φ = 2081008.

The previous prime is 2090441. The next prime is 2090461. The reversal of 2090443 is 3440902.

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 2090443 - 2¹ = 2090441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2090441) 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, 4378 + ... + 4831.

It is an arithmetic number, because the mean of its divisors is an integer number (524970).

2^2090443 is an apocalyptic number.

2090443 is a deficient number, since it is larger than the sum of its proper divisors (9437).

2090443 is an equidigital number, since it uses as much as digits as its factorization.

2090443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9436.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2090443 is about 1445.8364361158. The cubic root of 2090443 is about 127.8633592326.

The spelling of 2090443 in words is "two million, ninety thousand, four hundred forty-three".