8943638196 has 24 divisors (see below), whose sum is σ = 21032811520. Its totient is φ = 2957738112.

The previous prime is 8943638189. The next prime is 8943638203. The reversal of 8943638196 is 6918363498.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8943638189) and next prime (8943638203).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2932741 + ... + 2935788.

Almost surely, 2^8943638196 is an apocalyptic number.

It is an amenable number.

8943638196 is an abundant number, since it is smaller than the sum of its proper divisors (12089173324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8943638196 is a wasteful number, since it uses less digits than its factorization.

8943638196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5868663 (or 5868661 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 57.

The square root of 8943638196 is about 94570.8104861114. The cubic root of 8943638196 is about 2075.7326059575.

The spelling of 8943638196 in words is "eight billion, nine hundred forty-three million, six hundred thirty-eight thousand, one hundred ninety-six".