2728694808 has 48 divisors (see below), whose sum is σ = 8445961680. Its totient is φ = 779626944.

The previous prime is 2728694807. The next prime is 2728694827. The reversal of 2728694808 is 8084968272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728694807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2706535 + ... + 2707542.

It is an arithmetic number, because the mean of its divisors is an integer number (175957535).

Almost surely, 2^2728694808 is an apocalyptic number.

2728694808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2728694808 is an abundant number, since it is smaller than the sum of its proper divisors (5717266872).

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

2728694808 is a wasteful number, since it uses less digits than its factorization.

2728694808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5414096 (or 5414089 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The square root of 2728694808 is about 52236.9103986827. The cubic root of 2728694808 is about 1397.3922217010.

The spelling of 2728694808 in words is "two billion, seven hundred twenty-eight million, six hundred ninety-four thousand, eight hundred eight".