9936845 has 8 divisors (see below), whose sum is σ = 11945976. Its totient is φ = 7934976.

The previous prime is 9936841. The next prime is 9936847. The reversal of 9936845 is 5486399.

It can be written as a sum of positive squares in 4 ways, for example, as 1532644 + 8404201 = 1238^2 + 2899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9936845 - 2² = 9936841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9936796 and 9936805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9936841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1889 + ... + 4841.

It is an arithmetic number, because the mean of its divisors is an integer number (1493247).

Almost surely, 2^9936845 is an apocalyptic number.

It is an amenable number.

9936845 is a deficient number, since it is larger than the sum of its proper divisors (2009131).

9936845 is a wasteful number, since it uses less digits than its factorization.

9936845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631.

The product of its digits is 233280, while the sum is 44.

The square root of 9936845 is about 3152.2761617599. The cubic root of 9936845 is about 214.9889664430.

The spelling of 9936845 in words is "nine million, nine hundred thirty-six thousand, eight hundred forty-five".