2440443 has 8 divisors (see below), whose sum is σ = 3333456. Its totient is φ = 1587200.

The previous prime is 2440439. The next prime is 2440447. The reversal of 2440443 is 3440442.

It is an interprime number because it is at equal distance from previous prime (2440439) and next prime (2440447).

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

It is a cyclic number.

It is not a de Polignac number, because 2440443 - 2² = 2440439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2440447) 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, 9798 + ... + 10043.

It is an arithmetic number, because the mean of its divisors is an integer number (416682).

2^2440443 is an apocalyptic number.

2440443 is a deficient number, since it is larger than the sum of its proper divisors (893013).

2440443 is a wasteful number, since it uses less digits than its factorization.

2440443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19885.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 2440443 is about 1562.1917295902. The cubic root of 2440443 is about 134.6344569188.

Adding to 2440443 its reverse (3440442), we get a palindrome (5880885).

Subtracting 2440443 from its reverse (3440442), we obtain a palindrome (999999).

The spelling of 2440443 in words is "two million, four hundred forty thousand, four hundred forty-three".