393386947376 has 20 divisors (see below), whose sum is σ = 762221917800. Its totient is φ = 196684516992.

The previous prime is 393386947333. The next prime is 393386947417. The reversal of 393386947376 is 673749683393.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190046 + ... + 907133.

It is an arithmetic number, because the mean of its divisors is an integer number (38111095890).

Almost surely, 2^393386947376 is an apocalyptic number.

It is an amenable number.

393386947376 is a deficient number, since it is larger than the sum of its proper divisors (368834970424).

393386947376 is a wasteful number, since it uses less digits than its factorization.

393386947376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119596 (or 1119590 counting only the distinct ones).

The product of its digits is 370355328, while the sum is 68.

The spelling of 393386947376 in words is "three hundred ninety-three billion, three hundred eighty-six million, nine hundred forty-seven thousand, three hundred seventy-six".