4421403 has 12 divisors (see below), whose sum is σ = 7298928. Its totient is φ = 2526480.

The previous prime is 4421371. The next prime is 4421407. The reversal of 4421403 is 3041244.

It is not a de Polignac number, because 4421403 - 2⁵ = 4421371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4421407) 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 11 ways as a sum of consecutive naturals, for example, 35028 + ... + 35153.

It is an arithmetic number, because the mean of its divisors is an integer number (608244).

Almost surely, 2^4421403 is an apocalyptic number.

4421403 is a deficient number, since it is larger than the sum of its proper divisors (2877525).

4421403 is a wasteful number, since it uses less digits than its factorization.

4421403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70194 (or 70191 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4421403 is about 2102.7132472118. The cubic root of 4421403 is about 164.1295204276.

Adding to 4421403 its reverse (3041244), we get a palindrome (7462647).

The spelling of 4421403 in words is "four million, four hundred twenty-one thousand, four hundred three".