9866752 has 40 divisors (see below), whose sum is σ = 22538736. Its totient is φ = 4227072.

The previous prime is 9866741. The next prime is 9866761. The reversal of 9866752 is 2576689.

It is a junction number, because it is equal to n+sod(n) for n = 9866699 and 9866708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2208 + ... + 4960.

Almost surely, 2^9866752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9866752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11269368).

9866752 is an abundant number, since it is smaller than the sum of its proper divisors (12671984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9866752 is an equidigital number, since it uses as much as digits as its factorization.

9866752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778 (or 2762 counting only the distinct ones).

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

The square root of 9866752 is about 3141.1386470514. The cubic root of 9866752 is about 214.4822733180.

It can be divided in two parts, 9 and 866752, that added together give a square (866761 = 931²).

The spelling of 9866752 in words is "nine million, eight hundred sixty-six thousand, seven hundred fifty-two".