320315404 has 12 divisors (see below), whose sum is σ = 563488128. Its totient is φ = 159318800.

The previous prime is 320315399. The next prime is 320315417. The reversal of 320315404 is 404513023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208867 + ... + 210394.

It is an arithmetic number, because the mean of its divisors is an integer number (46957344).

Almost surely, 2^320315404 is an apocalyptic number.

It is an amenable number.

320315404 is a deficient number, since it is larger than the sum of its proper divisors (243172724).

320315404 is a wasteful number, since it uses less digits than its factorization.

320315404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419456 (or 419454 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 320315404 is about 17897.3574585747. The cubic root of 320315404 is about 684.2150270685.

Adding to 320315404 its reverse (404513023), we get a palindrome (724828427).

The spelling of 320315404 in words is "three hundred twenty million, three hundred fifteen thousand, four hundred four".