8240317 has 4 divisors (see below), whose sum is σ = 8246176. Its totient is φ = 8234460.

The previous prime is 8240273. The next prime is 8240329. The reversal of 8240317 is 7130428.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8240317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8240291 and 8240300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8240717) 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 3 ways as a sum of consecutive naturals, for example, 592 + ... + 4102.

It is an arithmetic number, because the mean of its divisors is an integer number (2061544).

Almost surely, 2^8240317 is an apocalyptic number.

It is an amenable number.

8240317 is a deficient number, since it is larger than the sum of its proper divisors (5859).

8240317 is a wasteful number, since it uses less digits than its factorization.

8240317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5858.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 8240317 is about 2870.5952344418. The cubic root of 8240317 is about 201.9829168967.

The spelling of 8240317 in words is "eight million, two hundred forty thousand, three hundred seventeen".