2808031198 has 16 divisors (see below), whose sum is σ = 4979760480. Its totient is φ = 1161943776.

The previous prime is 2808031159. The next prime is 2808031207. The reversal of 2808031198 is 8911308082.

It is a self number, because there is not a number n which added to its sum of digits gives 2808031198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3457761 + ... + 3458572.

It is an arithmetic number, because the mean of its divisors is an integer number (311235030).

Almost surely, 2^2808031198 is an apocalyptic number.

2808031198 is a deficient number, since it is larger than the sum of its proper divisors (2171729282).

2808031198 is a wasteful number, since it uses less digits than its factorization.

2808031198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6916371.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 2808031198 is about 52990.8595703070. The cubic root of 2808031198 is about 1410.8060374664.

The spelling of 2808031198 in words is "two billion, eight hundred eight million, thirty-one thousand, one hundred ninety-eight".