317389448 has 8 divisors (see below), whose sum is σ = 595105230. Its totient is φ = 158694720.

The previous prime is 317389447. The next prime is 317389463. The reversal of 317389448 is 844983713.

It can be written as a sum of positive squares in only one way, i.e., 169572484 + 147816964 = 13022^2 + 12158^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (317389447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19836833 + ... + 19836848.

Almost surely, 2^317389448 is an apocalyptic number.

It is an amenable number.

317389448 is a deficient number, since it is larger than the sum of its proper divisors (277715782).

317389448 is a wasteful number, since it uses less digits than its factorization.

317389448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39673687 (or 39673683 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 317389448 is about 17815.4272471922. The cubic root of 317389448 is about 682.1253055621.

The spelling of 317389448 in words is "three hundred seventeen million, three hundred eighty-nine thousand, four hundred forty-eight".