3943768900 has 18 divisors (see below), whose sum is σ = 8557978730. Its totient is φ = 1577507520.

The previous prime is 3943768891. The next prime is 3943768903. The reversal of 3943768900 is 98673493.

It can be written as a sum of positive squares in 3 ways, for example, as 17994564 + 3925774336 = 4242^2 + 62656^2 .

It is not an unprimeable number, because it can be changed into a prime (3943768903) by changing a digit.

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, 19718745 + ... + 19718944.

Almost surely, 2^3943768900 is an apocalyptic number.

It is an amenable number.

3943768900 is an abundant number, since it is smaller than the sum of its proper divisors (4614209830).

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

3943768900 is a wasteful number, since it uses less digits than its factorization.

3943768900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39437703 (or 39437696 counting only the distinct ones).

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

The square root of 3943768900 is about 62799.4339146461. The cubic root of 3943768900 is about 1579.9274789125.

The spelling of 3943768900 in words is "three billion, nine hundred forty-three million, seven hundred sixty-eight thousand, nine hundred".