2085965 has 16 divisors (see below), whose sum is σ = 2892672. Its totient is φ = 1414464.

The previous prime is 2085947. The next prime is 2085971. The reversal of 2085965 is 5695802.

It is a cyclic number.

It is not a de Polignac number, because 2085965 - 2¹⁴ = 2069581 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3467 + ... + 4023.

It is an arithmetic number, because the mean of its divisors is an integer number (180792).

2^2085965 is an apocalyptic number.

It is an amenable number.

2085965 is a deficient number, since it is larger than the sum of its proper divisors (806707).

2085965 is a wasteful number, since it uses less digits than its factorization.

2085965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 2085965 is about 1444.2870213361. The cubic root of 2085965 is about 127.7719939971.

The spelling of 2085965 in words is "two million, eighty-five thousand, nine hundred sixty-five".