538838 has 4 divisors (see below), whose sum is σ = 808260. Its totient is φ = 269418.

The previous prime is 538829. The next prime is 538841. The reversal of 538838 is 838835.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 538798 and 538807.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 538838.

It is an unprimeable number.

538838 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 as a sum of consecutive naturals, namely, 134708 + ... + 134711.

It is an arithmetic number, because the mean of its divisors is an integer number (202065).

2⁵³⁸⁸³⁸ is an apocalyptic number.

538838 is a deficient number, since it is larger than the sum of its proper divisors (269422).

538838 is a wasteful number, since it uses less digits than its factorization.

538838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269421.

The product of its digits is 23040, while the sum is 35.

The square root of 538838 is about 734.0558561853. The cubic root of 538838 is about 81.3740763052.

The spelling of 538838 in words is "five hundred thirty-eight thousand, eight hundred thirty-eight".