3938366676 has 48 divisors (see below), whose sum is σ = 9759125376. Its totient is φ = 1231878144.

The previous prime is 3938366669. The next prime is 3938366687. The reversal of 3938366676 is 6766638393.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 40105 + ... + 97391.

It is an arithmetic number, because the mean of its divisors is an integer number (203315112).

Almost surely, 2^3938366676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3938366676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4879562688).

3938366676 is an abundant number, since it is smaller than the sum of its proper divisors (5820758700).

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

3938366676 is a wasteful number, since it uses less digits than its factorization.

3938366676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57648 (or 57646 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 57.

The square root of 3938366676 is about 62756.4074497577. The cubic root of 3938366676 is about 1579.2057477882.

The spelling of 3938366676 in words is "three billion, nine hundred thirty-eight million, three hundred sixty-six thousand, six hundred seventy-six".