404421303 has 32 divisors (see below), whose sum is σ = 641571840. Its totient is φ = 223367040.

The previous prime is 404421301. The next prime is 404421307. The reversal of 404421303 is 303124404.

It is not a de Polignac number, because 404421303 - 2¹ = 404421301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404421303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404421301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27925 + ... + 39857.

It is an arithmetic number, because the mean of its divisors is an integer number (20049120).

Almost surely, 2^404421303 is an apocalyptic number.

404421303 is a deficient number, since it is larger than the sum of its proper divisors (237150537).

404421303 is a wasteful number, since it uses less digits than its factorization.

404421303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12039.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 404421303 is about 20110.2288152074. The cubic root of 404421303 is about 739.5110618472.

Adding to 404421303 its reverse (303124404), we get a palindrome (707545707).

The spelling of 404421303 in words is "four hundred four million, four hundred twenty-one thousand, three hundred three".