317436989 has 8 divisors (see below), whose sum is σ = 320397120. Its totient is φ = 314490400.

The previous prime is 317436979. The next prime is 317436997. The reversal of 317436989 is 989634713.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-317436989 is a prime.

It is a super-2 number, since 2×317436989² = 201532483970772242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317436979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47144 + ... + 53454.

It is an arithmetic number, because the mean of its divisors is an integer number (40049640).

Almost surely, 2^317436989 is an apocalyptic number.

It is an amenable number.

317436989 is a deficient number, since it is larger than the sum of its proper divisors (2960131).

317436989 is a wasteful number, since it uses less digits than its factorization.

317436989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6771.

The product of its digits is 979776, while the sum is 50.

The square root of 317436989 is about 17816.7614621738. The cubic root of 317436989 is about 682.1593618299.

The spelling of 317436989 in words is "three hundred seventeen million, four hundred thirty-six thousand, nine hundred eighty-nine".