2086317 has 20 divisors (see below), whose sum is σ = 3194400. Its totient is φ = 1356264.

The previous prime is 2086303. The next prime is 2086321. The reversal of 2086317 is 7136802.

2086317 is a `hidden beast` number, since 20 + 8 + 631 + 7 = 666.

It is not a de Polignac number, because 2086317 - 2²⁰ = 1037741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086397) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3184 + ... + 3782.

It is an arithmetic number, because the mean of its divisors is an integer number (159720).

2^2086317 is an apocalyptic number.

2086317 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2086317 is a deficient number, since it is larger than the sum of its proper divisors (1108083).

2086317 is an equidigital number, since it uses as much as digits as its factorization.

2086317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2086317 is about 1444.4088756304. The cubic root of 2086317 is about 127.7791806329.

The spelling of 2086317 in words is "two million, eighty-six thousand, three hundred seventeen".