9446821888 has 104 divisors (see below), whose sum is σ = 22727731520. Its totient is φ = 3835330560.

The previous prime is 9446821883. The next prime is 9446821927. The reversal of 9446821888 is 8881286449.

It is not an unprimeable number, because it can be changed into a prime (9446821883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536098 + ... + 553438.

It is an arithmetic number, because the mean of its divisors is an integer number (218535880).

Almost surely, 2^9446821888 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 9446821888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11363865760).

9446821888 is an abundant number, since it is smaller than the sum of its proper divisors (13280909632).

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

9446821888 is a wasteful number, since it uses less digits than its factorization.

9446821888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17391 (or 17369 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 58.

The square root of 9446821888 is about 97194.7626572543. The cubic root of 9446821888 is about 2113.9525866468.

The spelling of 9446821888 in words is "nine billion, four hundred forty-six million, eight hundred twenty-one thousand, eight hundred eighty-eight".