9986194 has 4 divisors (see below), whose sum is σ = 14979294. Its totient is φ = 4993096.

The previous prime is 9986183. The next prime is 9986213. The reversal of 9986194 is 4916899.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4916899 = 13 ⋅378223.

It can be written as a sum of positive squares in only one way, i.e., 8485569 + 1500625 = 2913^2 + 1225^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2496547 + ... + 2496550.

Almost surely, 2^9986194 is an apocalyptic number.

9986194 is a deficient number, since it is larger than the sum of its proper divisors (4993100).

9986194 is a wasteful number, since it uses less digits than its factorization.

9986194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993099.

The product of its digits is 139968, while the sum is 46.

The square root of 9986194 is about 3160.0939859441. The cubic root of 9986194 is about 215.3442762562.

The spelling of 9986194 in words is "nine million, nine hundred eighty-six thousand, one hundred ninety-four".