9845644 has 12 divisors (see below), whose sum is σ = 17512768. Its totient is φ = 4842000.

The previous prime is 9845623. The next prime is 9845657. The reversal of 9845644 is 4465489.

9845644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 9845597 and 9845606.

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, 19932 + ... + 20419.

Almost surely, 2^9845644 is an apocalyptic number.

It is an amenable number.

9845644 is a deficient number, since it is larger than the sum of its proper divisors (7667124).

9845644 is a wasteful number, since it uses less digits than its factorization.

9845644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40416 (or 40414 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 9845644 is about 3137.7769200502. The cubic root of 9845644 is about 214.3292163956.

The spelling of 9845644 in words is "nine million, eight hundred forty-five thousand, six hundred forty-four".