404630313 has 8 divisors (see below), whose sum is σ = 546897888. Its totient is φ = 266058144.

The previous prime is 404630297. The next prime is 404630333. The reversal of 404630313 is 313036404.

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

It is not a de Polignac number, because 404630313 - 2⁴ = 404630297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404630333) 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, 923595 + ... + 924032.

It is an arithmetic number, because the mean of its divisors is an integer number (68362236).

Almost surely, 2^404630313 is an apocalyptic number.

It is an amenable number.

404630313 is a deficient number, since it is larger than the sum of its proper divisors (142267575).

404630313 is a wasteful number, since it uses less digits than its factorization.

404630313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847703.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 404630313 is about 20115.4247531590. The cubic root of 404630313 is about 739.6384361031.

Adding to 404630313 its reverse (313036404), we get a palindrome (717666717).

It can be divided in two parts, 404 and 630313, that multiplied together give a palindrome (254646452).

The spelling of 404630313 in words is "four hundred four million, six hundred thirty thousand, three hundred thirteen".