4244403 has 4 divisors (see below), whose sum is σ = 5659208. Its totient is φ = 2829600.

The previous prime is 4244389. The next prime is 4244417. The reversal of 4244403 is 3044424.

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

It is an interprime number because it is at equal distance from previous prime (4244389) and next prime (4244417).

It is not a de Polignac number, because 4244403 - 2¹⁸ = 3982259 is a prime.

It is a D-number.

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 4244403.

It is not an unprimeable number, because it can be changed into a prime (4244423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707398 + ... + 707403.

It is an arithmetic number, because the mean of its divisors is an integer number (1414802).

Almost surely, 2^4244403 is an apocalyptic number.

4244403 is a deficient number, since it is larger than the sum of its proper divisors (1414805).

4244403 is a wasteful number, since it uses less digits than its factorization.

4244403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414804.

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

The square root of 4244403 is about 2060.1948936933. The cubic root of 4244403 is about 161.9094525238.

Adding to 4244403 its sum of digits (21), we get a palindrome (4244424).

Adding to 4244403 its reverse (3044424), we get a palindrome (7288827).

The spelling of 4244403 in words is "four million, two hundred forty-four thousand, four hundred three".