317699449 has 4 divisors (see below), whose sum is σ = 319536036. Its totient is φ = 315862864.

The previous prime is 317699429. The next prime is 317699453. The reversal of 317699449 is 944996713.

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 264875625 + 52823824 = 16275^2 + 7268^2 .

It is a cyclic number.

It is not a de Polignac number, because 317699449 - 2⁹ = 317698937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 317699396 and 317699405.

It is not an unprimeable number, because it can be changed into a prime (317699419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918034 + ... + 918379.

It is an arithmetic number, because the mean of its divisors is an integer number (79884009).

Almost surely, 2^317699449 is an apocalyptic number.

It is an amenable number.

317699449 is a deficient number, since it is larger than the sum of its proper divisors (1836587).

317699449 is a wasteful number, since it uses less digits than its factorization.

317699449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836586.

The product of its digits is 1469664, while the sum is 52.

The square root of 317699449 is about 17824.1254764434. The cubic root of 317699449 is about 682.3473153777.

The spelling of 317699449 in words is "three hundred seventeen million, six hundred ninety-nine thousand, four hundred forty-nine".