8393663938 has 8 divisors (see below), whose sum is σ = 13735086480. Its totient is φ = 3815301780.

The previous prime is 8393663933. The next prime is 8393663977.

8393663938 is nontrivially palindromic in base 10.

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 (8393663933) 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, 190765068 + ... + 190765111.

It is an arithmetic number, because the mean of its divisors is an integer number (1716885810).

Almost surely, 2^8393663938 is an apocalyptic number.

8393663938 is a deficient number, since it is larger than the sum of its proper divisors (5341422542).

8393663938 is a wasteful number, since it uses less digits than its factorization.

8393663938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381530192.

The product of its digits is 15116544, while the sum is 58.

The square root of 8393663938 is about 91616.9413263726. The cubic root of 8393663938 is about 2032.2814778983.

The spelling of 8393663938 in words is "eight billion, three hundred ninety-three million, six hundred sixty-three thousand, nine hundred thirty-eight".