9644428 has 6 divisors (see below), whose sum is σ = 16877756. Its totient is φ = 4822212.

The previous prime is 9644387. The next prime is 9644461. The reversal of 9644428 is 8244469.

9644428 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1205550 + ... + 1205557.

Almost surely, 2^9644428 is an apocalyptic number.

It is an amenable number.

9644428 is a deficient number, since it is larger than the sum of its proper divisors (7233328).

9644428 is a wasteful number, since it uses less digits than its factorization.

9644428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411111 (or 2411109 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 9644428 is about 3105.5479387702. The cubic root of 9644428 is about 212.8590690507.

The spelling of 9644428 in words is "nine million, six hundred forty-four thousand, four hundred twenty-eight".