404404313 has 8 divisors (see below), whose sum is σ = 429080832. Its totient is φ = 379826496.

The previous prime is 404404291. The next prime is 404404321. The reversal of 404404313 is 313404404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404404313 - 2⁶ = 404404249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404401313) 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 7 ways as a sum of consecutive naturals, for example, 16145 + ... + 32702.

It is an arithmetic number, because the mean of its divisors is an integer number (53635104).

Almost surely, 2^404404313 is an apocalyptic number.

It is an amenable number.

404404313 is a deficient number, since it is larger than the sum of its proper divisors (24676519).

404404313 is a wasteful number, since it uses less digits than its factorization.

404404313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49351.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 404404313 is about 20109.8063889238. The cubic root of 404404313 is about 739.5007059231.

Adding to 404404313 its reverse (313404404), we get a palindrome (717808717).

Subtracting from 404404313 its reverse (313404404), we obtain a palindrome (90999909).

The spelling of 404404313 in words is "four hundred four million, four hundred four thousand, three hundred thirteen".