9893986 has 8 divisors (see below), whose sum is σ = 14899500. Its totient is φ = 4927488.

The previous prime is 9893977. The next prime is 9893993. The reversal of 9893986 is 6893989.

9893986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7700625 + 2193361 = 2775^2 + 1481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9111 + ... + 10138.

Almost surely, 2^9893986 is an apocalyptic number.

9893986 is a deficient number, since it is larger than the sum of its proper divisors (5005514).

9893986 is a wasteful number, since it uses less digits than its factorization.

9893986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19508.

The product of its digits is 839808, while the sum is 52.

The square root of 9893986 is about 3145.4707119921. The cubic root of 9893986 is about 214.6794285114.

The spelling of 9893986 in words is "nine million, eight hundred ninety-three thousand, nine hundred eighty-six".