8669969 has 16 divisors (see below), whose sum is σ = 10919040. Its totient is φ = 6687360.

The previous prime is 8669963. The next prime is 8669981. The reversal of 8669969 is 9699668.

It is a cyclic number.

It is not a de Polignac number, because 8669969 - 2¹² = 8665873 is a prime.

It is a super-2 number, since 2×8669969² = 150336724921922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8669969.

It is not an unprimeable number, because it can be changed into a prime (8669963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7877 + ... + 8909.

It is an arithmetic number, because the mean of its divisors is an integer number (682440).

Almost surely, 2^8669969 is an apocalyptic number.

It is an amenable number.

8669969 is a deficient number, since it is larger than the sum of its proper divisors (2249071).

8669969 is a wasteful number, since it uses less digits than its factorization.

8669969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160.

The product of its digits is 1259712, while the sum is 53.

The square root of 8669969 is about 2944.4811087864. The cubic root of 8669969 is about 205.4340910620.

It can be divided in two parts, 86699 and 69, that added together give a palindrome (86768).

The spelling of 8669969 in words is "eight million, six hundred sixty-nine thousand, nine hundred sixty-nine".