2108985 has 16 divisors (see below), whose sum is σ = 3521664. Its totient is φ = 1075712.

The previous prime is 2108983. The next prime is 2108987. The reversal of 2108985 is 5898012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2108983) and next prime (2108987).

It is a cyclic number.

It is not a de Polignac number, because 2108985 - 2¹ = 2108983 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2108983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2712 + ... + 3401.

It is an arithmetic number, because the mean of its divisors is an integer number (220104).

2^2108985 is an apocalyptic number.

It is an amenable number.

2108985 is a deficient number, since it is larger than the sum of its proper divisors (1412679).

2108985 is a wasteful number, since it uses less digits than its factorization.

2108985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6144.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 2108985 is about 1452.2344851986. The cubic root of 2108985 is about 128.2402916248.

The spelling of 2108985 in words is "two million, one hundred eight thousand, nine hundred eighty-five".