404124403 has 4 divisors (see below), whose sum is σ = 409816368. Its totient is φ = 398432440.

The previous prime is 404124361. The next prime is 404124431. The reversal of 404124403 is 304421404.

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

It is a cyclic number.

It is not a de Polignac number, because 404124403 - 2⁹ = 404123891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404124473) 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, 2845876 + ... + 2846017.

It is an arithmetic number, because the mean of its divisors is an integer number (102454092).

Almost surely, 2^404124403 is an apocalyptic number.

404124403 is a deficient number, since it is larger than the sum of its proper divisors (5691965).

404124403 is an equidigital number, since it uses as much as digits as its factorization.

404124403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5691964.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 404124403 is about 20102.8456443360. The cubic root of 404124403 is about 739.3300504582.

Adding to 404124403 its reverse (304421404), we get a palindrome (708545807).

The spelling of 404124403 in words is "four hundred four million, one hundred twenty-four thousand, four hundred three".