9686971 has 4 divisors (see below), whose sum is σ = 11070832. Its totient is φ = 8303112.

The previous prime is 9686951. The next prime is 9686977. The reversal of 9686971 is 1796869.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1796869 = 29 ⋅61961.

It is a cyclic number.

It is not a de Polignac number, because 9686971 - 2¹¹ = 9684923 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (9686977) 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, 691920 + ... + 691933.

It is an arithmetic number, because the mean of its divisors is an integer number (2767708).

Almost surely, 2^9686971 is an apocalyptic number.

9686971 is a deficient number, since it is larger than the sum of its proper divisors (1383861).

9686971 is a wasteful number, since it uses less digits than its factorization.

9686971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383860.

The product of its digits is 163296, while the sum is 46.

The square root of 9686971 is about 3112.3899177320. The cubic root of 9686971 is about 213.1715942593.

The spelling of 9686971 in words is "nine million, six hundred eighty-six thousand, nine hundred seventy-one".