9982664 has 8 divisors (see below), whose sum is σ = 18717510. Its totient is φ = 4991328.

The previous prime is 9982663. The next prime is 9982669. The reversal of 9982664 is 4662899.

It can be written as a sum of positive squares in only one way, i.e., 5098564 + 4884100 = 2258^2 + 2210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (9982663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623909 + ... + 623924.

Almost surely, 2^9982664 is an apocalyptic number.

It is an amenable number.

9982664 is a deficient number, since it is larger than the sum of its proper divisors (8734846).

9982664 is a wasteful number, since it uses less digits than its factorization.

9982664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247839 (or 1247835 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 9982664 is about 3159.5354088853. The cubic root of 9982664 is about 215.3188993915.

The spelling of 9982664 in words is "nine million, nine hundred eighty-two thousand, six hundred sixty-four".