9666849 has 8 divisors (see below), whose sum is σ = 12904672. Its totient is φ = 6436800.

The previous prime is 9666847. The next prime is 9666851. The reversal of 9666849 is 9486669.

It is an interprime number because it is at equal distance from previous prime (9666847) and next prime (9666851).

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

It is not a de Polignac number, because 9666849 - 2¹ = 9666847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9666798 and 9666807.

It is not an unprimeable number, because it can be changed into a prime (9666847) 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, 2262 + ... + 4944.

It is an arithmetic number, because the mean of its divisors is an integer number (1613084).

Almost surely, 2^9666849 is an apocalyptic number.

It is an amenable number.

9666849 is a deficient number, since it is larger than the sum of its proper divisors (3237823).

9666849 is a wasteful number, since it uses less digits than its factorization.

9666849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887.

The product of its digits is 559872, while the sum is 48.

The square root of 9666849 is about 3109.1556731692. The cubic root of 9666849 is about 213.0238902869.

The spelling of 9666849 in words is "nine million, six hundred sixty-six thousand, eight hundred forty-nine".