838928 has 10 divisors (see below), whose sum is σ = 1625454. Its totient is φ = 419456.

The previous prime is 838927. The next prime is 838931. The reversal of 838928 is 829838.

It can be written as a sum of positive squares in only one way, i.e., 795664 + 43264 = 892^2 + 208^2 .

It is a plaindrome in base 15.

It is a zygodrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 838891 and 838900.

It is not an unprimeable number, because it can be changed into a prime (838927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26201 + ... + 26232.

2⁸³⁸⁹²⁸ is an apocalyptic number.

It is an amenable number.

838928 is a deficient number, since it is larger than the sum of its proper divisors (786526).

838928 is a wasteful number, since it uses less digits than its factorization.

838928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52441 (or 52435 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 838928 is about 915.9301283395. The cubic root of 838928 is about 94.3137246789.

The spelling of 838928 in words is "eight hundred thirty-eight thousand, nine hundred twenty-eight".