2085885 has 16 divisors (see below), whose sum is σ = 3708480. Its totient is φ = 1112400.

The previous prime is 2085869. The next prime is 2085899. The reversal of 2085885 is 5885802.

It is not a de Polignac number, because 2085885 - 2⁴ = 2085869 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7591 + ... + 7860.

It is an arithmetic number, because the mean of its divisors is an integer number (231780).

2^2085885 is an apocalyptic number.

It is an amenable number.

2085885 is a deficient number, since it is larger than the sum of its proper divisors (1622595).

2085885 is a wasteful number, since it uses less digits than its factorization.

2085885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15465 (or 15459 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 2085885 is about 1444.2593257445. The cubic root of 2085885 is about 127.7703605580.

It can be divided in two parts, 20 and 85885, that added together give a triangular number (85905 = T₄₁₄).

The spelling of 2085885 in words is "two million, eighty-five thousand, eight hundred eighty-five".