2086785 has 24 divisors (see below), whose sum is σ = 3669120. Its totient is φ = 1096992.

The previous prime is 2086781. The next prime is 2086787. The reversal of 2086785 is 5876802.

It is not a de Polignac number, because 2086785 - 2² = 2086781 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2086781) 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, 3262 + ... + 3848.

It is an arithmetic number, because the mean of its divisors is an integer number (152880).

2^2086785 is an apocalyptic number.

It is an amenable number.

2086785 is a deficient number, since it is larger than the sum of its proper divisors (1582335).

2086785 is a wasteful number, since it uses less digits than its factorization.

2086785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 2086785 is about 1444.5708705356. The cubic root of 2086785 is about 127.7887343402.

The spelling of 2086785 in words is "two million, eighty-six thousand, seven hundred eighty-five".