9666147 has 16 divisors (see below), whose sum is σ = 13265280. Its totient is φ = 6258432.

The previous prime is 9666143. The next prime is 9666169. The reversal of 9666147 is 7416669.

It is not a de Polignac number, because 9666147 - 2² = 9666143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9666143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16888 + ... + 17450.

It is an arithmetic number, because the mean of its divisors is an integer number (829080).

Almost surely, 2^9666147 is an apocalyptic number.

9666147 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

9666147 is a deficient number, since it is larger than the sum of its proper divisors (3599133).

9666147 is a wasteful number, since it uses less digits than its factorization.

9666147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722.

The product of its digits is 54432, while the sum is 39.

The square root of 9666147 is about 3109.0427787343. The cubic root of 9666147 is about 213.0187336121.

The spelling of 9666147 in words is "nine million, six hundred sixty-six thousand, one hundred forty-seven".