2881443 has 8 divisors (see below), whose sum is σ = 3850000. Its totient is φ = 1916928.

The previous prime is 2881441. The next prime is 2881447. The reversal of 2881443 is 3441882.

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

It is not a de Polignac number, because 2881443 - 2¹ = 2881441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2881443.

It is not an unprimeable number, because it can be changed into a prime (2881441) 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, 1683 + ... + 2931.

It is an arithmetic number, because the mean of its divisors is an integer number (481250).

2^2881443 is an apocalyptic number.

2881443 is a deficient number, since it is larger than the sum of its proper divisors (968557).

2881443 is a wasteful number, since it uses less digits than its factorization.

2881443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021.

The product of its digits is 6144, while the sum is 30.

The square root of 2881443 is about 1697.4813695590. The cubic root of 2881443 is about 142.2994902354.

The spelling of 2881443 in words is "two million, eight hundred eighty-one thousand, four hundred forty-three".