2808928006 has 4 divisors (see below), whose sum is σ = 4213392012. Its totient is φ = 1404464002.

The previous prime is 2808927997. The next prime is 2808928009. The reversal of 2808928006 is 6008298082.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2808928006² = 15780153085782272072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2808928009) 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 as a sum of consecutive naturals, namely, 702232000 + ... + 702232003.

It is an arithmetic number, because the mean of its divisors is an integer number (1053348003).

Almost surely, 2^2808928006 is an apocalyptic number.

2808928006 is a deficient number, since it is larger than the sum of its proper divisors (1404464006).

2808928006 is a wasteful number, since it uses less digits than its factorization.

2808928006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404464005.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 2808928006 is about 52999.3208069688. The cubic root of 2808928006 is about 1410.9562123734.

The spelling of 2808928006 in words is "two billion, eight hundred eight million, nine hundred twenty-eight thousand, six".