2085999 has 8 divisors (see below), whose sum is σ = 2877360. Its totient is φ = 1342656.

The previous prime is 2085989. The next prime is 2086003. The reversal of 2085999 is 9995802.

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

It is not a de Polignac number, because 2085999 - 2⁴ = 2085983 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2085999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085929) 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, 11902 + ... + 12075.

It is an arithmetic number, because the mean of its divisors is an integer number (359670).

2^2085999 is an apocalyptic number.

2085999 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2085999 is a deficient number, since it is larger than the sum of its proper divisors (791361).

2085999 is a wasteful number, since it uses less digits than its factorization.

2085999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24009.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 2085999 is about 1444.2987918018. The cubic root of 2085999 is about 127.7726881961.

The spelling of 2085999 in words is "two million, eighty-five thousand, nine hundred ninety-nine".