3936484688 has 20 divisors (see below), whose sum is σ = 7770845268. Its totient is φ = 1931105280.

The previous prime is 3936484639. The next prime is 3936484709. The reversal of 3936484688 is 8864846393.

It can be written as a sum of positive squares in 2 ways, for example, as 1145687104 + 2790797584 = 33848^2 + 52828^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2320193 + ... + 2321888.

Almost surely, 2^3936484688 is an apocalyptic number.

It is an amenable number.

3936484688 is a deficient number, since it is larger than the sum of its proper divisors (3834360580).

3936484688 is a wasteful number, since it uses less digits than its factorization.

3936484688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642142 (or 4642136 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 59.

The square root of 3936484688 is about 62741.4112687944. The cubic root of 3936484688 is about 1578.9541612767.

The spelling of 3936484688 in words is "three billion, nine hundred thirty-six million, four hundred eighty-four thousand, six hundred eighty-eight".