9681822 has 32 divisors (see below), whose sum is σ = 22044960. Its totient is φ = 3147840.

The previous prime is 9681809. The next prime is 9681829. The reversal of 9681822 is 2281869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9681829) 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, 28 + ... + 4400.

It is an arithmetic number, because the mean of its divisors is an integer number (688905).

Almost surely, 2^9681822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9681822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11022480).

9681822 is an abundant number, since it is smaller than the sum of its proper divisors (12363138).

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

9681822 is a wasteful number, since it uses less digits than its factorization.

9681822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425 (or 4419 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 9681822 is about 3111.5626299337. The cubic root of 9681822 is about 213.1338179144.

It can be divided in two parts, 96 and 81822, that added together give a palindrome (81918).

The spelling of 9681822 in words is "nine million, six hundred eighty-one thousand, eight hundred twenty-two".