9869712 has 20 divisors (see below), whose sum is σ = 25496880. Its totient is φ = 3289888.

The previous prime is 9869711. The next prime is 9869777. The reversal of 9869712 is 2179689.

It is a super-2 number, since 2×9869712² = 194822429925888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9869711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102762 + ... + 102857.

It is an arithmetic number, because the mean of its divisors is an integer number (1274844).

Almost surely, 2^9869712 is an apocalyptic number.

It is an amenable number.

9869712 is an abundant number, since it is smaller than the sum of its proper divisors (15627168).

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

9869712 is a wasteful number, since it uses less digits than its factorization.

9869712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205630 (or 205624 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 9869712 is about 3141.6097784416. The cubic root of 9869712 is about 214.5037192155.

The spelling of 9869712 in words is "nine million, eight hundred sixty-nine thousand, seven hundred twelve".