9764866 has 4 divisors (see below), whose sum is σ = 14647302. Its totient is φ = 4882432.

The previous prime is 9764863. The next prime is 9764873. The reversal of 9764866 is 6684679.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6684679 = 37 ⋅180667.

It can be written as a sum of positive squares in only one way, i.e., 8288641 + 1476225 = 2879^2 + 1215^2 .

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (9764863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2441215 + ... + 2441218.

Almost surely, 2^9764866 is an apocalyptic number.

9764866 is a deficient number, since it is larger than the sum of its proper divisors (4882436).

9764866 is a wasteful number, since it uses less digits than its factorization.

9764866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882435.

The product of its digits is 435456, while the sum is 46.

The square root of 9764866 is about 3124.8785576403. The cubic root of 9764866 is about 213.7414556050.

The spelling of 9764866 in words is "nine million, seven hundred sixty-four thousand, eight hundred sixty-six".