8421824196 has 18 divisors (see below), whose sum is σ = 21288500142. Its totient is φ = 2807274720.

The previous prime is 8421824189. The next prime is 8421824221. The reversal of 8421824196 is 6914281248.

It can be written as a sum of positive squares in only one way, i.e., 7320513600 + 1101310596 = 85560^2 + 33186^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116969745 + ... + 116969816.

Almost surely, 2^8421824196 is an apocalyptic number.

It is an amenable number.

8421824196 is an abundant number, since it is smaller than the sum of its proper divisors (12866675946).

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

8421824196 is a wasteful number, since it uses less digits than its factorization.

8421824196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233939571 (or 233939566 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 8421824196 is about 91770.4974161086. The cubic root of 8421824196 is about 2034.5516700160.

The spelling of 8421824196 in words is "eight billion, four hundred twenty-one million, eight hundred twenty-four thousand, one hundred ninety-six".