2081887 has 12 divisors (see below), whose sum is σ = 2255520. Its totient is φ = 1920672.

The previous prime is 2081873. The next prime is 2081897. The reversal of 2081887 is 7881802.

It is not a de Polignac number, because 2081887 - 2¹¹ = 2079839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26314 + ... + 26392.

It is an arithmetic number, because the mean of its divisors is an integer number (187960).

2^2081887 is an apocalyptic number.

2081887 is a deficient number, since it is larger than the sum of its proper divisors (173633).

2081887 is an equidigital number, since it uses as much as digits as its factorization.

2081887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 2081887 is about 1442.8745614224. The cubic root of 2081887 is about 127.6886761867.

The spelling of 2081887 in words is "two million, eighty-one thousand, eight hundred eighty-seven".