9828428 has 24 divisors (see below), whose sum is σ = 17665872. Its totient is φ = 4783104.

The previous prime is 9828391. The next prime is 9828433. The reversal of 9828428 is 8248289.

9828428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28151 + ... + 28497.

It is an arithmetic number, because the mean of its divisors is an integer number (736078).

Almost surely, 2^9828428 is an apocalyptic number.

It is an amenable number.

9828428 is a deficient number, since it is larger than the sum of its proper divisors (7837444).

9828428 is a wasteful number, since it uses less digits than its factorization.

9828428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 519 counting only the distinct ones).

The product of its digits is 73728, while the sum is 41.

The square root of 9828428 is about 3135.0323762284. The cubic root of 9828428 is about 214.2042188303.

The spelling of 9828428 in words is "nine million, eight hundred twenty-eight thousand, four hundred twenty-eight".