9844471988 has 48 divisors (see below), whose sum is σ = 18721807104. Its totient is φ = 4502459520.

The previous prime is 9844471981. The next prime is 9844472017. The reversal of 9844471988 is 8891744489.

It is a self number, because there is not a number n which added to its sum of digits gives 9844471988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9844471981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2887781 + ... + 2891187.

It is an arithmetic number, because the mean of its divisors is an integer number (390037648).

Almost surely, 2^9844471988 is an apocalyptic number.

It is an amenable number.

9844471988 is a deficient number, since it is larger than the sum of its proper divisors (8877335116).

9844471988 is a wasteful number, since it uses less digits than its factorization.

9844471988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912 (or 3910 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 62.

The square root of 9844471988 is about 99219.3125757279. The cubic root of 9844471988 is about 2143.2071157246.

The spelling of 9844471988 in words is "nine billion, eight hundred forty-four million, four hundred seventy-one thousand, nine hundred eighty-eight".