538735 has 4 divisors (see below), whose sum is σ = 646488. Its totient is φ = 430984.

The previous prime is 538723. The next prime is 538739. The reversal of 538735 is 537835.

538735 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.

It is a cyclic number.

It is not a de Polignac number, because 538735 - 2¹¹ = 536687 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 538697 and 538706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538739) 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, 53869 + ... + 53878.

It is an arithmetic number, because the mean of its divisors is an integer number (161622).

2⁵³⁸⁷³⁵ is an apocalyptic number.

538735 is a deficient number, since it is larger than the sum of its proper divisors (107753).

538735 is a wasteful number, since it uses less digits than its factorization.

538735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107752.

The product of its digits is 12600, while the sum is 31.

The square root of 538735 is about 733.9856946835. The cubic root of 538735 is about 81.3688910337.

Subtracting from 538735 its reverse (537835), we obtain a square (900 = 30²).

The spelling of 538735 in words is "five hundred thirty-eight thousand, seven hundred thirty-five".