3968879386 has 8 divisors (see below), whose sum is σ = 5958441504. Its totient is φ = 1982732220.

The previous prime is 3968879323. The next prime is 3968879389. The reversal of 3968879386 is 6839788693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3968879389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850830 + ... + 855481.

It is an arithmetic number, because the mean of its divisors is an integer number (744805188).

Almost surely, 2^3968879386 is an apocalyptic number.

3968879386 is a deficient number, since it is larger than the sum of its proper divisors (1989562118).

3968879386 is a wasteful number, since it uses less digits than its factorization.

3968879386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707476.

The product of its digits is 94058496, while the sum is 67.

The square root of 3968879386 is about 62999.0427387591. The cubic root of 3968879386 is about 1583.2735880048.

The spelling of 3968879386 in words is "three billion, nine hundred sixty-eight million, eight hundred seventy-nine thousand, three hundred eighty-six".