9866016 has 96 divisors (see below), whose sum is σ = 30340800. Its totient is φ = 3110400.

The previous prime is 9866009. The next prime is 9866033. The reversal of 9866016 is 6106689.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16116 + ... + 16716.

It is an arithmetic number, because the mean of its divisors is an integer number (316050).

Almost surely, 2^9866016 is an apocalyptic number.

9866016 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9866016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15170400).

9866016 is an abundant number, since it is smaller than the sum of its proper divisors (20474784).

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

9866016 is a wasteful number, since it uses less digits than its factorization.

9866016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 9866016 is about 3141.0214898978. The cubic root of 9866016 is about 214.4769401588.

The spelling of 9866016 in words is "nine million, eight hundred sixty-six thousand, sixteen".