3993683908 has 12 divisors (see below), whose sum is σ = 7103520172. Its totient is φ = 1964106720.

The previous prime is 3993683893. The next prime is 3993683933. The reversal of 3993683908 is 8093863993.

3993683908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1568318404 + 2425365504 = 39602^2 + 49248^2 .

It is a super-2 number, since 2×3993683908² = 31899022314036304928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8183535 + ... + 8184022.

Almost surely, 2^3993683908 is an apocalyptic number.

It is an amenable number.

3993683908 is a deficient number, since it is larger than the sum of its proper divisors (3109836264).

3993683908 is a wasteful number, since it uses less digits than its factorization.

3993683908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16367622 (or 16367620 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 58.

The square root of 3993683908 is about 63195.6003848369. The cubic root of 3993683908 is about 1586.5650975595.

The spelling of 3993683908 in words is "three billion, nine hundred ninety-three million, six hundred eighty-three thousand, nine hundred eight".