3938351682 has 64 divisors (see below), whose sum is σ = 8654874624. Its totient is φ = 1189735680.

The previous prime is 3938351633. The next prime is 3938351707. The reversal of 3938351682 is 2861538393.

It is a happy number.

It is a super-2 number, since 2×3938351682² = 31021227942224458248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305083 + ... + 317729.

It is an arithmetic number, because the mean of its divisors is an integer number (135232416).

Almost surely, 2^3938351682 is an apocalyptic number.

3938351682 is an abundant number, since it is smaller than the sum of its proper divisors (4716522942).

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

3938351682 is a wasteful number, since it uses less digits than its factorization.

3938351682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12783.

The product of its digits is 933120, while the sum is 48.

The square root of 3938351682 is about 62756.2879877387. The cubic root of 3938351682 is about 1579.2037436883.

The spelling of 3938351682 in words is "three billion, nine hundred thirty-eight million, three hundred fifty-one thousand, six hundred eighty-two".