8669472 has 144 divisors (see below), whose sum is σ = 28153440. Its totient is φ = 2322432.

The previous prime is 8669447. The next prime is 8669477. The reversal of 8669472 is 2749668.

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

Its product of digits (145152) is a multiple of the sum of its prime divisors (128).

It is not an unprimeable number, because it can be changed into a prime (8669477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89328 + ... + 89424.

It is an arithmetic number, because the mean of its divisors is an integer number (195510).

Almost surely, 2^8669472 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 8669472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14076720).

8669472 is an abundant number, since it is smaller than the sum of its proper divisors (19483968).

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

8669472 is a wasteful number, since it uses less digits than its factorization.

8669472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 128 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 8669472 is about 2944.3967124014. The cubic root of 8669472 is about 205.4301655311.

The spelling of 8669472 in words is "eight million, six hundred sixty-nine thousand, four hundred seventy-two".