404412313 has 4 divisors (see below), whose sum is σ = 412042788. Its totient is φ = 396781840.

The previous prime is 404412311. The next prime is 404412319. The reversal of 404412313 is 313214404.

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

It can be written as a sum of positive squares in 2 ways, for example, as 321018889 + 83393424 = 17917^2 + 9132^2 .

It is a cyclic number.

It is not a de Polignac number, because 404412313 - 2¹ = 404412311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404412311) 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, 3815158 + ... + 3815263.

It is an arithmetic number, because the mean of its divisors is an integer number (103010697).

Almost surely, 2^404412313 is an apocalyptic number.

It is an amenable number.

404412313 is a deficient number, since it is larger than the sum of its proper divisors (7630475).

404412313 is an equidigital number, since it uses as much as digits as its factorization.

404412313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7630474.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 404412313 is about 20110.0052958720. The cubic root of 404412313 is about 739.5055822037.

Adding to 404412313 its reverse (313214404), we get a palindrome (717626717).

The spelling of 404412313 in words is "four hundred four million, four hundred twelve thousand, three hundred thirteen".