2140317 has 16 divisors (see below), whose sum is σ = 3358080. Its totient is φ = 1342656.

The previous prime is 2140309. The next prime is 2140337. The reversal of 2140317 is 7130412.

It is not a de Polignac number, because 2140317 - 2³ = 2140309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2140317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140337) 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, 1873 + ... + 2790.

It is an arithmetic number, because the mean of its divisors is an integer number (209880).

2^2140317 is an apocalyptic number.

2140317 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2140317 is a deficient number, since it is larger than the sum of its proper divisors (1217763).

2140317 is a wasteful number, since it uses less digits than its factorization.

2140317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689 (or 4683 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 2140317 is about 1462.9822281901. The cubic root of 2140317 is about 128.8722369435.

Adding to 2140317 its reverse (7130412), we get a palindrome (9270729).

The spelling of 2140317 in words is "two million, one hundred forty thousand, three hundred seventeen".