3508728988 has 6 divisors (see below), whose sum is σ = 6140275736. Its totient is φ = 1754364492.

The previous prime is 3508728941. The next prime is 3508729001. The reversal of 3508728988 is 8898278053.

It is a super-2 number, since 2×3508728988² = 24622358222463008288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 438591120 + ... + 438591127.

Almost surely, 2^3508728988 is an apocalyptic number.

It is an amenable number.

3508728988 is a deficient number, since it is larger than the sum of its proper divisors (2631546748).

3508728988 is a wasteful number, since it uses less digits than its factorization.

3508728988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877182251 (or 877182249 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 58.

The square root of 3508728988 is about 59234.5253040826. The cubic root of 3508728988 is about 1519.5556451567. Note that the first 3 decimals are identical.

The spelling of 3508728988 in words is "three billion, five hundred eight million, seven hundred twenty-eight thousand, nine hundred eighty-eight".