9869984 has 12 divisors (see below), whose sum is σ = 19431594. Its totient is φ = 4934976.

The previous prime is 9869969. The next prime is 9869999. The reversal of 9869984 is 4899689.

It is an interprime number because it is at equal distance from previous prime (9869969) and next prime (9869999).

It can be written as a sum of positive squares in only one way, i.e., 5626384 + 4243600 = 2372^2 + 2060^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154187 + ... + 154250.

Almost surely, 2^9869984 is an apocalyptic number.

It is an amenable number.

9869984 is a deficient number, since it is larger than the sum of its proper divisors (9561610).

9869984 is a wasteful number, since it uses less digits than its factorization.

9869984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308447 (or 308439 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 53.

The square root of 9869984 is about 3141.6530680519. The cubic root of 9869984 is about 214.5056897044.

The spelling of 9869984 in words is "nine million, eight hundred sixty-nine thousand, nine hundred eighty-four".