9428644 has 12 divisors (see below), whose sum is σ = 16535344. Its totient is φ = 4704264.

The previous prime is 9428641. The next prime is 9428669. The reversal of 9428644 is 4468249.

It is not an unprimeable number, because it can be changed into a prime (9428641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162 + ... + 4345.

Almost surely, 2^9428644 is an apocalyptic number.

It is an amenable number.

9428644 is a deficient number, since it is larger than the sum of its proper divisors (7106700).

9428644 is a wasteful number, since it uses less digits than its factorization.

9428644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034 (or 5032 counting only the distinct ones).

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

The square root of 9428644 is about 3070.6097114417. The cubic root of 9428644 is about 211.2595803458.

The spelling of 9428644 in words is "nine million, four hundred twenty-eight thousand, six hundred forty-four".