9398986 has 4 divisors (see below), whose sum is σ = 14098482. Its totient is φ = 4699492.

The previous prime is 9398971. The next prime is 9398989. The reversal of 9398986 is 6898939.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6898939 = 2357 ⋅2927.

It can be written as a sum of positive squares in only one way, i.e., 9394225 + 4761 = 3065^2 + 69^2 .

It is not an unprimeable number, because it can be changed into a prime (9398989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2349745 + ... + 2349748.

Almost surely, 2^9398986 is an apocalyptic number.

9398986 is a deficient number, since it is larger than the sum of its proper divisors (4699496).

9398986 is a wasteful number, since it uses less digits than its factorization.

9398986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699495.

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

The square root of 9398986 is about 3065.7765737248. The cubic root of 9398986 is about 211.0378405213.

The spelling of 9398986 in words is "nine million, three hundred ninety-eight thousand, nine hundred eighty-six".