404211424 has 12 divisors (see below), whose sum is σ = 795791304. Its totient is φ = 202105696.

The previous prime is 404211403. The next prime is 404211427. The reversal of 404211424 is 424112404.

It is a junction number, because it is equal to n+sod(n) for n = 404211395 and 404211404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404211427) 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 as a sum of consecutive naturals, namely, 6315772 + ... + 6315835.

It is an arithmetic number, because the mean of its divisors is an integer number (66315942).

Almost surely, 2^404211424 is an apocalyptic number.

It is an amenable number.

404211424 is a deficient number, since it is larger than the sum of its proper divisors (391579880).

404211424 is a wasteful number, since it uses less digits than its factorization.

404211424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12631617 (or 12631609 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 404211424 is about 20105.0099229023. The cubic root of 404211424 is about 739.3831138404.

Adding to 404211424 its reverse (424112404), we get a palindrome (828323828).

The spelling of 404211424 in words is "four hundred four million, two hundred eleven thousand, four hundred twenty-four".