938904 has 64 divisors (see below), whose sum is σ = 2592000. Its totient is φ = 282240.

The previous prime is 938881. The next prime is 938921. The reversal of 938904 is 409839.

938904 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 15 ways as a sum of consecutive naturals, for example, 13189 + ... + 13259.

It is an arithmetic number, because the mean of its divisors is an integer number (40500).

2⁹³⁸⁹⁰⁴ 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 938904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1296000).

938904 is an abundant number, since it is smaller than the sum of its proper divisors (1653096).

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

938904 is a wasteful number, since it uses less digits than its factorization.

938904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 938904 is about 968.9705877889. The cubic root of 938904 is about 97.9205242080.

The spelling of 938904 in words is "nine hundred thirty-eight thousand, nine hundred four".