404104413 has 4 divisors (see below), whose sum is σ = 538805888. Its totient is φ = 269402940.

The previous prime is 404104409. The next prime is 404104423. The reversal of 404104413 is 314401404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 404104413 - 2² = 404104409 is a prime.

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 404104413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404104423) 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 3 ways as a sum of consecutive naturals, for example, 67350733 + ... + 67350738.

It is an arithmetic number, because the mean of its divisors is an integer number (134701472).

Almost surely, 2^404104413 is an apocalyptic number.

It is an amenable number.

404104413 is a deficient number, since it is larger than the sum of its proper divisors (134701475).

404104413 is a wasteful number, since it uses less digits than its factorization.

404104413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134701474.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 404104413 is about 20102.3484448957. The cubic root of 404104413 is about 739.3178599452.

Adding to 404104413 its reverse (314401404), we get a palindrome (718505817).

The spelling of 404104413 in words is "four hundred four million, one hundred four thousand, four hundred thirteen".