8969616 has 70 divisors (see below), whose sum is σ = 26089910. Its totient is φ = 2985984.

The previous prime is 8969579. The next prime is 8969617. The reversal of 8969616 is 6169698.

It can be written as a sum of positive squares in only one way, i.e., 7290000 + 1679616 = 2700^2 + 1296^2 .

It is a super-2 number, since 2×8969616² = 160908022374912, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (8969617) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 11280 + ... + 12048.

It is an arithmetic number, because the mean of its divisors is an integer number (372713).

Almost surely, 2^8969616 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 8969616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13044955).

8969616 is an abundant number, since it is smaller than the sum of its proper divisors (17120294).

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

8969616 is an equidigital number, since it uses as much as digits as its factorization.

8969616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 774 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 8969616 is about 2994.9317187542. The cubic root of 8969616 is about 207.7740396272.

The spelling of 8969616 in words is "eight million, nine hundred sixty-nine thousand, six hundred sixteen".