3917914378 has 32 divisors (see below), whose sum is σ = 6825024000. Its totient is φ = 1652018544.

The previous prime is 3917914373. The next prime is 3917914379. The reversal of 3917914378 is 8734197193.

It is not an unprimeable number, because it can be changed into a prime (3917914373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953773 + ... + 957871.

It is an arithmetic number, because the mean of its divisors is an integer number (213282000).

Almost surely, 2^3917914378 is an apocalyptic number.

3917914378 is a deficient number, since it is larger than the sum of its proper divisors (2907109622).

3917914378 is a wasteful number, since it uses less digits than its factorization.

3917914378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194.

The product of its digits is 1143072, while the sum is 52.

The square root of 3917914378 is about 62593.2454662642. The cubic root of 3917914378 is about 1576.4673488044.

The spelling of 3917914378 in words is "three billion, nine hundred seventeen million, nine hundred fourteen thousand, three hundred seventy-eight".