9821106 has 12 divisors (see below), whose sum is σ = 21279102. Its totient is φ = 3273696.

The previous prime is 9821051. The next prime is 9821107. The reversal of 9821106 is 6011289.

It can be written as a sum of positive squares in only one way, i.e., 9272025 + 549081 = 3045^2 + 741^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9821106.

It is not an unprimeable number, because it can be changed into a prime (9821107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 272791 + ... + 272826.

Almost surely, 2^9821106 is an apocalyptic number.

9821106 is an abundant number, since it is smaller than the sum of its proper divisors (11457996).

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

9821106 is a wasteful number, since it uses less digits than its factorization.

9821106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545625 (or 545622 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 9821106 is about 3133.8643876211. The cubic root of 9821106 is about 214.1510128673.

The spelling of 9821106 in words is "nine million, eight hundred twenty-one thousand, one hundred six".