317172304 has 40 divisors (see below), whose sum is σ = 637414560. Its totient is φ = 152707968.

The previous prime is 317172293. The next prime is 317172307. The reversal of 317172304 is 403271713.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317172307) 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, 242019 + ... + 243325.

It is an arithmetic number, because the mean of its divisors is an integer number (15935364).

Almost surely, 2^317172304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317172304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318707280).

317172304 is an abundant number, since it is smaller than the sum of its proper divisors (320242256).

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

317172304 is a wasteful number, since it uses less digits than its factorization.

317172304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867 (or 1861 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 317172304 is about 17809.3319358139. The cubic root of 317172304 is about 681.9697099575.

The spelling of 317172304 in words is "three hundred seventeen million, one hundred seventy-two thousand, three hundred four".