2040317 has 4 divisors (see below), whose sum is σ = 2083776. Its totient is φ = 1996860.

The previous prime is 2040293. The next prime is 2040319. The reversal of 2040317 is 7130402.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 2040317 - 2⁶ = 2040253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2040295 and 2040304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21659 + ... + 21752.

It is an arithmetic number, because the mean of its divisors is an integer number (520944).

2^2040317 is an apocalyptic number.

It is an amenable number.

2040317 is a deficient number, since it is larger than the sum of its proper divisors (43459).

2040317 is an equidigital number, since it uses as much as digits as its factorization.

2040317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43458.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 2040317 is about 1428.3966535945. The cubic root of 2040317 is about 126.8330830493.

Adding to 2040317 its reverse (7130402), we get a palindrome (9170719).

The spelling of 2040317 in words is "two million, forty thousand, three hundred seventeen".