9863972 has 6 divisors (see below), whose sum is σ = 17261958. Its totient is φ = 4931984.

The previous prime is 9863951. The next prime is 9864007. The reversal of 9863972 is 2793689.

It can be written as a sum of positive squares in only one way, i.e., 8667136 + 1196836 = 2944^2 + 1094^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1232993 + ... + 1233000.

It is an arithmetic number, because the mean of its divisors is an integer number (2876993).

Almost surely, 2^9863972 is an apocalyptic number.

It is an amenable number.

9863972 is a deficient number, since it is larger than the sum of its proper divisors (7397986).

9863972 is a wasteful number, since it uses less digits than its factorization.

9863972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465997 (or 2465995 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 9863972 is about 3140.6961011852. The cubic root of 9863972 is about 214.4621276569.

The spelling of 9863972 in words is "nine million, eight hundred sixty-three thousand, nine hundred seventy-two".