317040 has 40 divisors (see below), whose sum is σ = 983568. Its totient is φ = 84480.

The previous prime is 317029. The next prime is 317047. The reversal of 317040 is 40713.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317047) by changing a digit.

317040 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421 + ... + 900.

2³¹⁷⁰⁴⁰ is an apocalyptic number.

317040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

317040 is an abundant number, since it is smaller than the sum of its proper divisors (666528).

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

317040 is a wasteful number, since it uses less digits than its factorization.

317040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 317040 is about 563.0630515315. The cubic root of 317040 is about 68.1874872054.

Adding to 317040 its reverse (40713), we get a palindrome (357753).

The spelling of 317040 in words is "three hundred seventeen thousand, forty", and thus it is an iban number.