8971616 has 24 divisors (see below), whose sum is σ = 17798760. Its totient is φ = 4451328.

The previous prime is 8971601. The next prime is 8971619. The reversal of 8971616 is 6161798.

8971616 is nontrivially palindromic in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 8971616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8971619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3440 + ... + 5456.

It is an arithmetic number, because the mean of its divisors is an integer number (741615).

Almost surely, 2^8971616 is an apocalyptic number.

It is an amenable number.

8971616 is a deficient number, since it is larger than the sum of its proper divisors (8827144).

8971616 is a wasteful number, since it uses less digits than its factorization.

8971616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166 (or 2158 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 8971616 is about 2995.2655975723. The cubic root of 8971616 is about 207.7894812840.

The spelling of 8971616 in words is "eight million, nine hundred seventy-one thousand, six hundred sixteen".