9561604 has 12 divisors (see below), whose sum is σ = 18020044. Its totient is φ = 4413024.

The previous prime is 9561557. The next prime is 9561611. The reversal of 9561604 is 4061659.

It can be written as a sum of positive squares in 2 ways, for example, as 5569600 + 3992004 = 2360^2 + 1998^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91887 + ... + 91990.

Almost surely, 2^9561604 is an apocalyptic number.

It is an amenable number.

9561604 is a deficient number, since it is larger than the sum of its proper divisors (8458440).

9561604 is a wasteful number, since it uses less digits than its factorization.

9561604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183894 (or 183892 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 9561604 is about 3092.1843412061. The cubic root of 9561604 is about 212.2479891393.

Subtracting from 9561604 its reverse (4061659), we obtain a palindrome (5499945).

The spelling of 9561604 in words is "nine million, five hundred sixty-one thousand, six hundred four".