3863966938 has 16 divisors (see below), whose sum is σ = 6269792256. Its totient is φ = 1775369520.

The previous prime is 3863966929. The next prime is 3863966947. The reversal of 3863966938 is 8396693683.

It is an interprime number because it is at equal distance from previous prime (3863966929) and next prime (3863966947).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327418 + ... + 339013.

It is an arithmetic number, because the mean of its divisors is an integer number (391862016).

Almost surely, 2^3863966938 is an apocalyptic number.

3863966938 is a deficient number, since it is larger than the sum of its proper divisors (2405825318).

3863966938 is a wasteful number, since it uses less digits than its factorization.

3863966938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666669.

The product of its digits is 30233088, while the sum is 61.

The square root of 3863966938 is about 62160.8151330080. The cubic root of 3863966938 is about 1569.1981974273.

The spelling of 3863966938 in words is "three billion, eight hundred sixty-three million, nine hundred sixty-six thousand, nine hundred thirty-eight".