9444866 has 4 divisors (see below), whose sum is σ = 14167302. Its totient is φ = 4722432.

The previous prime is 9444847. The next prime is 9444887. The reversal of 9444866 is 6684449.

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., 7425625 + 2019241 = 2725^2 + 1421^2 .

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2361215 + ... + 2361218.

Almost surely, 2^9444866 is an apocalyptic number.

9444866 is a deficient number, since it is larger than the sum of its proper divisors (4722436).

9444866 is a wasteful number, since it uses less digits than its factorization.

9444866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722435.

The product of its digits is 165888, while the sum is 41.

The square root of 9444866 is about 3073.2500711787. The cubic root of 9444866 is about 211.3806684320.

The spelling of 9444866 in words is "nine million, four hundred forty-four thousand, eight hundred sixty-six".