9861204192 has 96 divisors (see below), whose sum is σ = 29619862272. Its totient is φ = 2814034944.

The previous prime is 9861204163. The next prime is 9861204247. The reversal of 9861204192 is 2914021689.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567343 + ... + 584465.

It is an arithmetic number, because the mean of its divisors is an integer number (308540232).

Almost surely, 2^9861204192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9861204192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14809931136).

9861204192 is an abundant number, since it is smaller than the sum of its proper divisors (19758658080).

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

9861204192 is a wasteful number, since it uses less digits than its factorization.

9861204192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18000 (or 17992 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 9861204192 is about 99303.5960678162. The cubic root of 9861204192 is about 2144.4206658609.

The spelling of 9861204192 in words is "nine billion, eight hundred sixty-one million, two hundred four thousand, one hundred ninety-two".