3871916404 has 6 divisors (see below), whose sum is σ = 6775853714. Its totient is φ = 1935958200.

The previous prime is 3871916383. The next prime is 3871916407. The reversal of 3871916404 is 4046191783.

It can be written as a sum of positive squares in only one way, i.e., 3411728100 + 460188304 = 58410^2 + 21452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871916407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483989547 + ... + 483989554.

Almost surely, 2^3871916404 is an apocalyptic number.

It is an amenable number.

3871916404 is a deficient number, since it is larger than the sum of its proper divisors (2903937310).

3871916404 is a wasteful number, since it uses less digits than its factorization.

3871916404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967979105 (or 967979103 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 3871916404 is about 62224.7250214896. The cubic root of 3871916404 is about 1570.2735812746.

The spelling of 3871916404 in words is "three billion, eight hundred seventy-one million, nine hundred sixteen thousand, four hundred four".