317947963 has 8 divisors (see below), whose sum is σ = 320539968. Its totient is φ = 315364104.

The previous prime is 317947939. The next prime is 317947969. The reversal of 317947963 is 369749713.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 317947963 - 2²¹ = 315850811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317947969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94020 + ... + 97342.

It is an arithmetic number, because the mean of its divisors is an integer number (40067496).

Almost surely, 2^317947963 is an apocalyptic number.

317947963 is a deficient number, since it is larger than the sum of its proper divisors (2592005).

317947963 is a wasteful number, since it uses less digits than its factorization.

317947963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073.

The product of its digits is 857304, while the sum is 49.

The square root of 317947963 is about 17831.0953954041. The cubic root of 317947963 is about 682.5251864920.

The spelling of 317947963 in words is "three hundred seventeen million, nine hundred forty-seven thousand, nine hundred sixty-three".