9638028 has 60 divisors (see below), whose sum is σ = 25491312. Its totient is φ = 3175200.

The previous prime is 9638023. The next prime is 9638039. The reversal of 9638028 is 8208369.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 9637983 and 9638001.

It is not an unprimeable number, because it can be changed into a prime (9638021) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48826 + ... + 49022.

Almost surely, 2^9638028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9638028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12745656).

9638028 is an abundant number, since it is smaller than the sum of its proper divisors (15853284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9638028 is a wasteful number, since it uses less digits than its factorization.

9638028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 9638028 is about 3104.5173537927. The cubic root of 9638028 is about 212.8119745179.

The spelling of 9638028 in words is "nine million, six hundred thirty-eight thousand, twenty-eight".