9726197 has 4 divisors (see below), whose sum is σ = 10474380. Its totient is φ = 8978016.

The previous prime is 9726191. The next prime is 9726221. The reversal of 9726197 is 7916279.

It is a happy number.

9726197 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2114116 + 7612081 = 1454^2 + 2759^2 .

It is a cyclic number.

It is not a de Polignac number, because 9726197 - 2¹⁴ = 9709813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9726191) 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, 374072 + ... + 374097.

It is an arithmetic number, because the mean of its divisors is an integer number (2618595).

Almost surely, 2^9726197 is an apocalyptic number.

It is an amenable number.

9726197 is a deficient number, since it is larger than the sum of its proper divisors (748183).

9726197 is a wasteful number, since it uses less digits than its factorization.

9726197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748182.

The product of its digits is 47628, while the sum is 41.

The square root of 9726197 is about 3118.6851396061. The cubic root of 9726197 is about 213.4589426833.

The spelling of 9726197 in words is "nine million, seven hundred twenty-six thousand, one hundred ninety-seven".