317880 has 48 divisors (see below), whose sum is σ = 1034280. Its totient is φ = 84672.

The previous prime is 317857. The next prime is 317887. The reversal of 317880 is 88713.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 317880.

It is not an unprimeable number, because it can be changed into a prime (317887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82 + ... + 801.

2³¹⁷⁸⁸⁰ is an apocalyptic number.

317880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517140).

317880 is an abundant number, since it is smaller than the sum of its proper divisors (716400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

317880 is a wasteful number, since it uses less digits than its factorization.

317880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 317880 is about 563.8084781200. The cubic root of 317880 is about 68.2476551946.

The spelling of 317880 in words is "three hundred seventeen thousand, eight hundred eighty".