2808634938 has 32 divisors (see below), whose sum is σ = 5721451200. Its totient is φ = 918898176.

The previous prime is 2808634909. The next prime is 2808634943. The reversal of 2808634938 is 8394368082.

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, 232348 + ... + 244136.

It is an arithmetic number, because the mean of its divisors is an integer number (178795350).

Almost surely, 2^2808634938 is an apocalyptic number.

2808634938 is an abundant number, since it is smaller than the sum of its proper divisors (2912816262).

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

2808634938 is a wasteful number, since it uses less digits than its factorization.

2808634938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12526.

The product of its (nonzero) digits is 1990656, while the sum is 51.

The square root of 2808634938 is about 52996.5559069644. Note that the first 3 decimals coincide. The cubic root of 2808634938 is about 1410.9071402130.

The spelling of 2808634938 in words is "two billion, eight hundred eight million, six hundred thirty-four thousand, nine hundred thirty-eight".