8738128 has 40 divisors (see below), whose sum is σ = 19681280. Its totient is φ = 3680640.

The previous prime is 8738123. The next prime is 8738129. The reversal of 8738128 is 8218378.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8738123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6193 + ... + 7471.

It is an arithmetic number, because the mean of its divisors is an integer number (492032).

Almost surely, 2^8738128 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 8738128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9840640).

8738128 is an abundant number, since it is smaller than the sum of its proper divisors (10943152).

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

8738128 is a wasteful number, since it uses less digits than its factorization.

8738128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355 (or 1349 counting only the distinct ones).

The product of its digits is 21504, while the sum is 37.

The square root of 8738128 is about 2956.0324761410. The cubic root of 8738128 is about 205.9710268109.

The spelling of 8738128 in words is "eight million, seven hundred thirty-eight thousand, one hundred twenty-eight".