9868868 has 6 divisors (see below), whose sum is σ = 17270526. Its totient is φ = 4934432.

The previous prime is 9868867. The next prime is 9868889. The reversal of 9868868 is 8688689.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6190144 + 3678724 = 2488^2 + 1918^2 .

It is not an unprimeable number, because it can be changed into a prime (9868867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1233605 + ... + 1233612.

It is an arithmetic number, because the mean of its divisors is an integer number (2878421).

Almost surely, 2^9868868 is an apocalyptic number.

It is an amenable number.

9868868 is a deficient number, since it is larger than the sum of its proper divisors (7401658).

9868868 is a wasteful number, since it uses less digits than its factorization.

9868868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467221 (or 2467219 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 53.

The square root of 9868868 is about 3141.4754495300. The cubic root of 9868868 is about 214.4976046737.

The spelling of 9868868 in words is "nine million, eight hundred sixty-eight thousand, eight hundred sixty-eight".