9980966 has 8 divisors (see below), whose sum is σ = 15759480. Its totient is φ = 4727808.

The previous prime is 9980941. The next prime is 9980969. The reversal of 9980966 is 6690899.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9980966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9980969) 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, 131291 + ... + 131366.

It is an arithmetic number, because the mean of its divisors is an integer number (1969935).

Almost surely, 2^9980966 is an apocalyptic number.

9980966 is a deficient number, since it is larger than the sum of its proper divisors (5778514).

9980966 is a wasteful number, since it uses less digits than its factorization.

9980966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262678.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 9980966 is about 3159.2666870652. The cubic root of 9980966 is about 215.3066904854.

The spelling of 9980966 in words is "nine million, nine hundred eighty thousand, nine hundred sixty-six".