2099443 has 8 divisors (see below), whose sum is σ = 2257920. Its totient is φ = 1945800.

The previous prime is 2099441. The next prime is 2099453. The reversal of 2099443 is 3449902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2099443 - 2¹ = 2099441 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 0 + 9² + 9² + 4⁵ + 4⁵ + 3⁴ .

It is a Duffinian number.

2099443 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2099441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283 + ... + 2068.

It is an arithmetic number, because the mean of its divisors is an integer number (282240).

2^2099443 is an apocalyptic number.

2099443 is a deficient number, since it is larger than the sum of its proper divisors (158477).

2099443 is a wasteful number, since it uses less digits than its factorization.

2099443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2099443 is about 1448.9454786154. The cubic root of 2099443 is about 128.0465935516.

The spelling of 2099443 in words is "two million, ninety-nine thousand, four hundred forty-three".