9671616 has 112 divisors (see below), whose sum is σ = 29565600. Its totient is φ = 3096576.

The previous prime is 9671593. The next prime is 9671621. The reversal of 9671616 is 6161769.

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

Its product of digits (13608) is a multiple of the sum of its prime factors (243).

It is a congruent number.

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, 50016 + ... + 50208.

Almost surely, 2^9671616 is an apocalyptic number.

9671616 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 9671616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14782800).

9671616 is an abundant number, since it is smaller than the sum of its proper divisors (19893984).

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

9671616 is a wasteful number, since it uses less digits than its factorization.

9671616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 227 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 9671616 is about 3109.9221855217. The cubic root of 9671616 is about 213.0589005924.

The spelling of 9671616 in words is "nine million, six hundred seventy-one thousand, six hundred sixteen".