9684545 has 24 divisors (see below), whose sum is σ = 12837816. Its totient is φ = 7008768.

The previous prime is 9684527. The next prime is 9684557. The reversal of 9684545 is 5454869.

It is a happy number.

It is a Cunningham number, because it is equal to 3112²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 6195121 + 3489424 = 2489^2 + 1868^2 .

It is not a de Polignac number, because 9684545 - 2²⁰ = 8635969 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61607 + ... + 61763.

It is an arithmetic number, because the mean of its divisors is an integer number (534909).

Almost surely, 2^9684545 is an apocalyptic number.

It is an amenable number.

9684545 is a deficient number, since it is larger than the sum of its proper divisors (3153271).

9684545 is a wasteful number, since it uses less digits than its factorization.

9684545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 248 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 9684545 is about 3112.0001606684. Note that the first 3 decimals coincide. The cubic root of 9684545 is about 213.1537972457.

The spelling of 9684545 in words is "nine million, six hundred eighty-four thousand, five hundred forty-five".