3003688728 has 24 divisors (see below), whose sum is σ = 8134990500. Its totient is φ = 1001229552.

The previous prime is 3003688697. The next prime is 3003688757. The reversal of 3003688728 is 8278863003.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20858878 + ... + 20859021.

Almost surely, 2^3003688728 is an apocalyptic number.

It is an amenable number.

3003688728 is an abundant number, since it is smaller than the sum of its proper divisors (5131301772).

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

3003688728 is a wasteful number, since it uses less digits than its factorization.

3003688728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41717911 (or 41717904 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 3003688728 is about 54805.9187314655. The cubic root of 3003688728 is about 1442.8404466836.

The spelling of 3003688728 in words is "three billion, three million, six hundred eighty-eight thousand, seven hundred twenty-eight".