9738866 has 4 divisors (see below), whose sum is σ = 14608302. Its totient is φ = 4869432.

The previous prime is 9738851. The next prime is 9738871. The reversal of 9738866 is 6688379.

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

It can be written as a sum of positive squares in only one way, i.e., 8826841 + 912025 = 2971^2 + 955^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9738866.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2434715 + ... + 2434718.

Almost surely, 2^9738866 is an apocalyptic number.

9738866 is a deficient number, since it is larger than the sum of its proper divisors (4869436).

9738866 is a wasteful number, since it uses less digits than its factorization.

9738866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869435.

The product of its digits is 435456, while the sum is 47.

The square root of 9738866 is about 3120.7156230583. The cubic root of 9738866 is about 213.5515838260.

The spelling of 9738866 in words is "nine million, seven hundred thirty-eight thousand, eight hundred sixty-six".