2086305 has 24 divisors (see below), whose sum is σ = 3619008. Its totient is φ = 1025856.

The previous prime is 2086303. The next prime is 2086321. The reversal of 2086305 is 5036802.

It is not a de Polignac number, because 2086305 - 2¹ = 2086303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2086303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2124 + ... + 2946.

It is an arithmetic number, because the mean of its divisors is an integer number (150792).

2^2086305 is an apocalyptic number.

It is an amenable number.

2086305 is a deficient number, since it is larger than the sum of its proper divisors (1532703).

2086305 is a wasteful number, since it uses less digits than its factorization.

2086305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2086305 is about 1444.4047216760. The cubic root of 2086305 is about 127.7789356473.

The spelling of 2086305 in words is "two million, eighty-six thousand, three hundred five".