3938676444 has 18 divisors (see below), whose sum is σ = 9956098880. Its totient is φ = 1312892136.

The previous prime is 3938676437. The next prime is 3938676481. The reversal of 3938676444 is 4446768393.

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 54703804 + ... + 54703875.

Almost surely, 2^3938676444 is an apocalyptic number.

It is an amenable number.

3938676444 is an abundant number, since it is smaller than the sum of its proper divisors (6017422436).

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

3938676444 is a wasteful number, since it uses less digits than its factorization.

3938676444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109407689 (or 109407684 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 54.

The square root of 3938676444 is about 62758.8754201348. The cubic root of 3938676444 is about 1579.2471502800.

The spelling of 3938676444 in words is "three billion, nine hundred thirty-eight million, six hundred seventy-six thousand, four hundred forty-four".