9961197 has 8 divisors (see below), whose sum is σ = 13330656. Its totient is φ = 6616272.

The previous prime is 9961151. The next prime is 9961207. The reversal of 9961197 is 7911699.

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

It is not a de Polignac number, because 9961197 - 2⁸ = 9960941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9961397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5163 + ... + 6824.

It is an arithmetic number, because the mean of its divisors is an integer number (1666332).

Almost surely, 2^9961197 is an apocalyptic number.

It is an amenable number.

9961197 is a deficient number, since it is larger than the sum of its proper divisors (3369459).

9961197 is a wasteful number, since it uses less digits than its factorization.

9961197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12267.

The product of its digits is 30618, while the sum is 42.

The square root of 9961197 is about 3156.1364038964. The cubic root of 9961197 is about 215.1644460295.

The spelling of 9961197 in words is "nine million, nine hundred sixty-one thousand, one hundred ninety-seven".