2340443 has 4 divisors (see below), whose sum is σ = 2674800. Its totient is φ = 2006088.

The previous prime is 2340431. The next prime is 2340451. The reversal of 2340443 is 3440432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2340443 - 2⁸ = 2340187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2340493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167168 + ... + 167181.

It is an arithmetic number, because the mean of its divisors is an integer number (668700).

2^2340443 is an apocalyptic number.

2340443 is a deficient number, since it is larger than the sum of its proper divisors (334357).

2340443 is an equidigital number, since it uses as much as digits as its factorization.

2340443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334356.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2340443 is about 1529.8506463051. The cubic root of 2340443 is about 132.7698168630.

Adding to 2340443 its reverse (3440432), we get a palindrome (5780875).

The spelling of 2340443 in words is "two million, three hundred forty thousand, four hundred forty-three".