9439966 has 8 divisors (see below), whose sum is σ = 14190264. Its totient is φ = 4709880.

The previous prime is 9439961. The next prime is 9439973. The reversal of 9439966 is 6699349.

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

It is a super-3 number, since 3×9439966³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9439961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3825 + ... + 5788.

It is an arithmetic number, because the mean of its divisors is an integer number (1773783).

Almost surely, 2^9439966 is an apocalyptic number.

9439966 is a deficient number, since it is larger than the sum of its proper divisors (4750298).

9439966 is a wasteful number, since it uses less digits than its factorization.

9439966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10106.

The product of its digits is 314928, while the sum is 46.

The square root of 9439966 is about 3072.4527661137. The cubic root of 9439966 is about 211.3441073188.

The spelling of 9439966 in words is "nine million, four hundred thirty-nine thousand, nine hundred sixty-six".