393696696392 has 32 divisors (see below), whose sum is σ = 763913176320. Its totient is φ = 190018509120.

The previous prime is 393696696391. The next prime is 393696696397. The reversal of 393696696392 is 293696696393.

It is not an unprimeable number, because it can be changed into a prime (393696696391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1900898 + ... + 2097809.

It is an arithmetic number, because the mean of its divisors is an integer number (23872286760).

Almost surely, 2^393696696392 is an apocalyptic number.

It is an amenable number.

393696696392 is a deficient number, since it is larger than the sum of its proper divisors (370216479928).

393696696392 is a wasteful number, since it uses less digits than its factorization.

393696696392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999141 (or 3999137 counting only the distinct ones).

The product of its digits is 459165024, while the sum is 71.

Subtracting from 393696696392 its reverse (293696696393), we obtain a palindrome (99999999999).

The spelling of 393696696392 in words is "three hundred ninety-three billion, six hundred ninety-six million, six hundred ninety-six thousand, three hundred ninety-two".