2728393960 has 16 divisors (see below), whose sum is σ = 6138886500. Its totient is φ = 1091357568.

The previous prime is 2728393951. The next prime is 2728394047. The reversal of 2728393960 is 693938272.

It can be written as a sum of positive squares in 2 ways, for example, as 2726719524 + 1674436 = 52218^2 + 1294^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34104885 + ... + 34104964.

Almost surely, 2^2728393960 is an apocalyptic number.

2728393960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2728393960 is an abundant number, since it is smaller than the sum of its proper divisors (3410492540).

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

2728393960 is a wasteful number, since it uses less digits than its factorization.

2728393960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68209860 (or 68209856 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 2728393960 is about 52234.0306696697. The cubic root of 2728393960 is about 1397.3408640452.

The spelling of 2728393960 in words is "two billion, seven hundred twenty-eight million, three hundred ninety-three thousand, nine hundred sixty".