9916872 has 32 divisors (see below), whose sum is σ = 28334400. Its totient is φ = 2833344.

The previous prime is 9916849. The next prime is 9916873. The reversal of 9916872 is 2786199.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (9916873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29347 + ... + 29682.

It is an arithmetic number, because the mean of its divisors is an integer number (885450).

Almost surely, 2^9916872 is an apocalyptic number.

It is an amenable number.

9916872 is an abundant number, since it is smaller than the sum of its proper divisors (18417528).

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

9916872 is a wasteful number, since it uses less digits than its factorization.

9916872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59045 (or 59041 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 9916872 is about 3149.1065399570. The cubic root of 9916872 is about 214.8448276411.

The spelling of 9916872 in words is "nine million, nine hundred sixteen thousand, eight hundred seventy-two".