3913841386 has 48 divisors (see below), whose sum is σ = 7534061640. Its totient is φ = 1510548480.

The previous prime is 3913841377. The next prime is 3913841429. The reversal of 3913841386 is 6831483193.

It can be written as a sum of positive squares in 4 ways, for example, as 2842915761 + 1070925625 = 53319^2 + 32725^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14770 + ... + 89698.

Almost surely, 2^3913841386 is an apocalyptic number.

3913841386 is a deficient number, since it is larger than the sum of its proper divisors (3620220254).

3913841386 is a wasteful number, since it uses less digits than its factorization.

3913841386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74999 (or 74992 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 3913841386 is about 62560.7016105158. The cubic root of 3913841386 is about 1575.9208705343.

The spelling of 3913841386 in words is "three billion, nine hundred thirteen million, eight hundred forty-one thousand, three hundred eighty-six".