317397 has 8 divisors (see below), whose sum is σ = 425920. Its totient is φ = 210240.

The previous prime is 317371. The next prime is 317399. The reversal of 317397 is 793713.

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

It is not a de Polignac number, because 317397 - 2⁶ = 317333 is a prime.

It is a Duffinian number.

317397 is a lucky number.

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 317397.

It is not an unprimeable number, because it can be changed into a prime (317399) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504 + ... + 942.

It is an arithmetic number, because the mean of its divisors is an integer number (53240).

2³¹⁷³⁹⁷ is an apocalyptic number.

It is an amenable number.

317397 is a deficient number, since it is larger than the sum of its proper divisors (108523).

317397 is a wasteful number, since it uses less digits than its factorization.

317397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683.

The product of its digits is 3969, while the sum is 30.

The square root of 317397 is about 563.3799783450. The cubic root of 317397 is about 68.2130715708.

The spelling of 317397 in words is "three hundred seventeen thousand, three hundred ninety-seven".