9645552 has 90 divisors (see below), whose sum is σ = 31424328. Its totient is φ = 2753856.

The previous prime is 9645541. The next prime is 9645577. The reversal of 9645552 is 2555469.

9645552 is a `hidden beast` number, since 9 + 645 + 5 + 5 + 2 = 666.

9645552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6373 + ... + 7739.

Almost surely, 2^9645552 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 9645552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15712164).

9645552 is an abundant number, since it is smaller than the sum of its proper divisors (21778776).

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

9645552 is a wasteful number, since it uses less digits than its factorization.

9645552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 1379 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 9645552 is about 3105.7288999525. The cubic root of 9645552 is about 212.8673378770.

The spelling of 9645552 in words is "nine million, six hundred forty-five thousand, five hundred fifty-two".