9966382 has 4 divisors (see below), whose sum is σ = 14949576. Its totient is φ = 4983190.

The previous prime is 9966371. The next prime is 9966389. The reversal of 9966382 is 2836699.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9966389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2491594 + ... + 2491597.

It is an arithmetic number, because the mean of its divisors is an integer number (3737394).

Almost surely, 2^9966382 is an apocalyptic number.

9966382 is a deficient number, since it is larger than the sum of its proper divisors (4983194).

9966382 is a wasteful number, since it uses less digits than its factorization.

9966382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983193.

The product of its digits is 139968, while the sum is 43.

The square root of 9966382 is about 3156.9577127355. The cubic root of 9966382 is about 215.2017720035.

The spelling of 9966382 in words is "nine million, nine hundred sixty-six thousand, three hundred eighty-two".