2085591 has 8 divisors (see below), whose sum is σ = 2828160. Its totient is φ = 1366712.

The previous prime is 2085569. The next prime is 2085599. The reversal of 2085591 is 1955802.

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 2085591 - 2¹⁰ = 2084567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5715 + ... + 6068.

It is an arithmetic number, because the mean of its divisors is an integer number (353520).

2^2085591 is an apocalyptic number.

2085591 is a deficient number, since it is larger than the sum of its proper divisors (742569).

2085591 is a wasteful number, since it uses less digits than its factorization.

2085591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11845.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 2085591 is about 1444.1575398827. The cubic root of 2085591 is about 127.7643573107.

The spelling of 2085591 in words is "two million, eighty-five thousand, five hundred ninety-one".