9666698 has 8 divisors (see below), whose sum is σ = 14628708. Its totient is φ = 4790464.

The previous prime is 9666689. The next prime is 9666707. The reversal of 9666698 is 8966669.

It is an interprime number because it is at equal distance from previous prime (9666689) and next prime (9666707).

It can be written as a sum of positive squares in 2 ways, for example, as 6901129 + 2765569 = 2627^2 + 1663^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21161 + ... + 21612.

Almost surely, 2^9666698 is an apocalyptic number.

9666698 is a deficient number, since it is larger than the sum of its proper divisors (4962010).

9666698 is a wasteful number, since it uses less digits than its factorization.

9666698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42888.

The product of its digits is 839808, while the sum is 50.

The square root of 9666698 is about 3109.1313899544. The cubic root of 9666698 is about 213.0227811087.

The spelling of 9666698 in words is "nine million, six hundred sixty-six thousand, six hundred ninety-eight".