2108285 has 4 divisors (see below), whose sum is σ = 2529948. Its totient is φ = 1686624.

The previous prime is 2108263. The next prime is 2108291. The reversal of 2108285 is 5828012.

2108285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1301881 + 806404 = 1141^2 + 898^2 .

It is a cyclic number.

It is not a de Polignac number, because 2108285 - 2¹⁶ = 2042749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210824 + ... + 210833.

It is an arithmetic number, because the mean of its divisors is an integer number (632487).

2^2108285 is an apocalyptic number.

It is an amenable number.

2108285 is a deficient number, since it is larger than the sum of its proper divisors (421663).

2108285 is an equidigital number, since it uses as much as digits as its factorization.

2108285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421662.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 2108285 is about 1451.9934572855. The cubic root of 2108285 is about 128.2261018387.

The spelling of 2108285 in words is "two million, one hundred eight thousand, two hundred eighty-five".