317493 has 16 divisors (see below), whose sum is σ = 513600. Its totient is φ = 192240.

The previous prime is 317491. The next prime is 317503. The reversal of 317493 is 394713.

It is not a de Polignac number, because 317493 - 2¹ = 317491 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238 + ... + 831.

It is an arithmetic number, because the mean of its divisors is an integer number (32100).

2³¹⁷⁴⁹³ is an apocalyptic number.

317493 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

317493 is a deficient number, since it is larger than the sum of its proper divisors (196107).

317493 is a wasteful number, since it uses less digits than its factorization.

317493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089 (or 1083 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 317493 is about 563.4651719494. The cubic root of 317493 is about 68.2199481268.

The spelling of 317493 in words is "three hundred seventeen thousand, four hundred ninety-three".