2011443 has 8 divisors (see below), whose sum is σ = 3065088. Its totient is φ = 1149384.

The previous prime is 2011441. The next prime is 2011483. The reversal of 2011443 is 3441102.

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

It is not a de Polignac number, because 2011443 - 2¹ = 2011441 is a prime.

2011443 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2011441) 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, 47871 + ... + 47912.

It is an arithmetic number, because the mean of its divisors is an integer number (383136).

2^2011443 is an apocalyptic number.

2011443 is a deficient number, since it is larger than the sum of its proper divisors (1053645).

2011443 is an equidigital number, since it uses as much as digits as its factorization.

2011443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95793.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2011443 is about 1418.2535034330. The cubic root of 2011443 is about 126.2319361144.

Adding to 2011443 its reverse (3441102), we get a palindrome (5452545).

The spelling of 2011443 in words is "two million, eleven thousand, four hundred forty-three".