9893868 has 12 divisors (see below), whose sum is σ = 23085720. Its totient is φ = 3297952.

The previous prime is 9893861. The next prime is 9893869. The reversal of 9893868 is 8683989.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 9893868.

It is not an unprimeable number, because it can be changed into a prime (9893861) 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, 412233 + ... + 412256.

It is an arithmetic number, because the mean of its divisors is an integer number (1923810).

Almost surely, 2^9893868 is an apocalyptic number.

It is an amenable number.

9893868 is an abundant number, since it is smaller than the sum of its proper divisors (13191852).

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

9893868 is a wasteful number, since it uses less digits than its factorization.

9893868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824496 (or 824494 counting only the distinct ones).

The product of its digits is 746496, while the sum is 51.

The square root of 9893868 is about 3145.4519548071. The cubic root of 9893868 is about 214.6785750545.

The spelling of 9893868 in words is "nine million, eight hundred ninety-three thousand, eight hundred sixty-eight".