2081908 has 12 divisors (see below), whose sum is σ = 3659040. Its totient is φ = 1036472.

The previous prime is 2081903. The next prime is 2081909. The reversal of 2081908 is 8091802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63 + ... + 2041.

It is an arithmetic number, because the mean of its divisors is an integer number (304920).

2^2081908 is an apocalyptic number.

It is an amenable number.

2081908 is a deficient number, since it is larger than the sum of its proper divisors (1577132).

2081908 is a wasteful number, since it uses less digits than its factorization.

2081908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246 (or 2244 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 2081908 is about 1442.8818385440. The cubic root of 2081908 is about 127.6891055173.

It can be divided in two parts, 208 and 1908, that added together give a square (2116 = 46²).

The spelling of 2081908 in words is "two million, eighty-one thousand, nine hundred eight".