2085908238 has 12 divisors (see below), whose sum is σ = 4519467888. Its totient is φ = 695302740.

The previous prime is 2085908233. The next prime is 2085908239. The reversal of 2085908238 is 8328095802.

2085908238 is a `hidden beast` number, since 20 + 8 + 590 + 8 + 2 + 38 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2085908193 and 2085908202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085908233) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 57941878 + ... + 57941913.

It is an arithmetic number, because the mean of its divisors is an integer number (376622324).

Almost surely, 2^2085908238 is an apocalyptic number.

2085908238 is an abundant number, since it is smaller than the sum of its proper divisors (2433559650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2085908238 is a wasteful number, since it uses less digits than its factorization.

2085908238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115883799 (or 115883796 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 2085908238 is about 45671.7444159953. The cubic root of 2085908238 is about 1277.7083503556.

The spelling of 2085908238 in words is "two billion, eighty-five million, nine hundred eight thousand, two hundred thirty-eight".