2086613 has 4 divisors (see below), whose sum is σ = 2137548. Its totient is φ = 2035680.

The previous prime is 2086589. The next prime is 2086621. The reversal of 2086613 is 3166802.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33124 + 2053489 = 182^2 + 1433^2 .

It is a cyclic number.

It is not a de Polignac number, because 2086613 - 2⁶ = 2086549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086673) 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, 25406 + ... + 25487.

It is an arithmetic number, because the mean of its divisors is an integer number (534387).

2^2086613 is an apocalyptic number.

It is an amenable number.

2086613 is a deficient number, since it is larger than the sum of its proper divisors (50935).

2086613 is an equidigital number, since it uses as much as digits as its factorization.

2086613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50934.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2086613 is about 1444.5113360580. The cubic root of 2086613 is about 127.7852233147.

The spelling of 2086613 in words is "two million, eighty-six thousand, six hundred thirteen".