2808246856 has 16 divisors (see below), whose sum is σ = 5294556540. Its totient is φ = 1396365120.

The previous prime is 2808246827. The next prime is 2808246863. The reversal of 2808246856 is 6586428082.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2751002500 + 57244356 = 52450^2 + 7566^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968251 + ... + 971146.

Almost surely, 2^2808246856 is an apocalyptic number.

It is an amenable number.

2808246856 is a deficient number, since it is larger than the sum of its proper divisors (2486309684).

2808246856 is a wasteful number, since it uses less digits than its factorization.

2808246856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939584 (or 1939580 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 49.

The square root of 2808246856 is about 52992.8943916069. The cubic root of 2808246856 is about 1410.8421533780.

The spelling of 2808246856 in words is "two billion, eight hundred eight million, two hundred forty-six thousand, eight hundred fifty-six".