2005835 has 8 divisors (see below), whose sum is σ = 2592240. Its totient is φ = 1481184.

The previous prime is 2005831. The next prime is 2005841. The reversal of 2005835 is 5385002.

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 2005835 - 2² = 2005831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2005835.

It is not an unprimeable number, because it can be changed into a prime (2005831) 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 7 ways as a sum of consecutive naturals, for example, 15365 + ... + 15494.

It is an arithmetic number, because the mean of its divisors is an integer number (324030).

2^2005835 is an apocalyptic number.

2005835 is a deficient number, since it is larger than the sum of its proper divisors (586405).

2005835 is a wasteful number, since it uses less digits than its factorization.

2005835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30877.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2005835 is about 1416.2750439092. The cubic root of 2005835 is about 126.1145133465.

The spelling of 2005835 in words is "two million, five thousand, eight hundred thirty-five".