538843 has 4 divisors (see below), whose sum is σ = 540360. Its totient is φ = 537328.

The previous prime is 538841. The next prime is 538871. The reversal of 538843 is 348835.

538843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 348835 = 5 ⋅69767.

It is a cyclic number.

It is not a de Polignac number, because 538843 - 2¹ = 538841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96 + ... + 1042.

It is an arithmetic number, because the mean of its divisors is an integer number (135090).

2⁵³⁸⁸⁴³ is an apocalyptic number.

538843 is a deficient number, since it is larger than the sum of its proper divisors (1517).

538843 is an equidigital number, since it uses as much as digits as its factorization.

538843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516.

The product of its digits is 11520, while the sum is 31.

The square root of 538843 is about 734.0592619128. The cubic root of 538843 is about 81.3743280006.

The spelling of 538843 in words is "five hundred thirty-eight thousand, eight hundred forty-three".