9865672 has 8 divisors (see below), whose sum is σ = 18498150. Its totient is φ = 4932832.

The previous prime is 9865651. The next prime is 9865711. The reversal of 9865672 is 2765689.

It can be written as a sum of positive squares in only one way, i.e., 9326916 + 538756 = 3054^2 + 734^2 .

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

It is a super-3 number, since 3×9865672³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616597 + ... + 616612.

Almost surely, 2^9865672 is an apocalyptic number.

It is an amenable number.

9865672 is a deficient number, since it is larger than the sum of its proper divisors (8632478).

9865672 is a wasteful number, since it uses less digits than its factorization.

9865672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233215 (or 1233211 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 9865672 is about 3140.9667301645. The cubic root of 9865672 is about 214.4744473956.

The spelling of 9865672 in words is "nine million, eight hundred sixty-five thousand, six hundred seventy-two".