317889 has 36 divisors (see below), whose sum is σ = 570960. Its totient is φ = 168480.

The previous prime is 317887. The next prime is 317903. The reversal of 317889 is 988713.

It is not a de Polignac number, because 317889 - 2¹ = 317887 is a prime.

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 35 ways as a sum of consecutive naturals, for example, 16722 + ... + 16740.

It is an arithmetic number, because the mean of its divisors is an integer number (15860).

2³¹⁷⁸⁸⁹ is an apocalyptic number.

317889 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

317889 is a deficient number, since it is larger than the sum of its proper divisors (253071).

317889 is a wasteful number, since it uses less digits than its factorization.

317889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 46 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 317889 is about 563.8164594972. The cubic root of 317889 is about 68.2482992773.

The spelling of 317889 in words is "three hundred seventeen thousand, eight hundred eighty-nine".