938928 has 40 divisors (see below), whose sum is σ = 2507776. Its totient is φ = 302400.

The previous prime is 938921. The next prime is 938939. The reversal of 938928 is 829839.

938928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (938921) by changing a digit.

938928 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1173 + ... + 1803.

2⁹³⁸⁹²⁸ 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 938928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253888).

938928 is an abundant number, since it is smaller than the sum of its proper divisors (1568848).

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

938928 is a wasteful number, since it uses less digits than its factorization.

938928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 667 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 938928 is about 968.9829719866. The cubic root of 938928 is about 97.9213585398.

The spelling of 938928 in words is "nine hundred thirty-eight thousand, nine hundred twenty-eight".