9669456 has 70 divisors (see below), whose sum is σ = 28122890. Its totient is φ = 3219264.

The previous prime is 9669433. The next prime is 9669487. The reversal of 9669456 is 6549669.

It can be written as a sum of positive squares in only one way, i.e., 8503056 + 1166400 = 2916^2 + 1080^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 11250 + ... + 12078.

Almost surely, 2^9669456 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 9669456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14061445).

9669456 is an abundant number, since it is smaller than the sum of its proper divisors (18453434).

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

9669456 is an equidigital number, since it uses as much as digits as its factorization.

9669456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 834 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 9669456 is about 3109.5748905598. The cubic root of 9669456 is about 213.0430383177.

The spelling of 9669456 in words is "nine million, six hundred sixty-nine thousand, four hundred fifty-six".