2091185 has 8 divisors (see below), whose sum is σ = 2540160. Its totient is φ = 1652464.

The previous prime is 2091151. The next prime is 2091191. The reversal of 2091185 is 5811902.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2091185 - 2¹⁴ = 2074801 is a prime.

It is an Ulam 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 7 ways as a sum of consecutive naturals, for example, 2105 + ... + 2934.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

2^2091185 is an apocalyptic number.

It is an amenable number.

2091185 is a deficient number, since it is larger than the sum of its proper divisors (448975).

2091185 is an equidigital number, since it uses as much as digits as its factorization.

2091185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5127.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 2091185 is about 1446.0930122229. The cubic root of 2091185 is about 127.8784857536.

The spelling of 2091185 in words is "two million, ninety-one thousand, one hundred eighty-five".