538785 has 32 divisors (see below), whose sum is σ = 1034880. Its totient is φ = 264384.

The previous prime is 538777. The next prime is 538789. The reversal of 538785 is 587835.

It is a happy number.

It is not a de Polignac number, because 538785 - 2³ = 538777 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1602 + ... + 1908.

It is an arithmetic number, because the mean of its divisors is an integer number (32340).

2⁵³⁸⁷⁸⁵ is an apocalyptic number.

It is an amenable number.

538785 is a deficient number, since it is larger than the sum of its proper divisors (496095).

538785 is a wasteful number, since it uses less digits than its factorization.

538785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 328 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 538785 is about 734.0197545026. The cubic root of 538785 is about 81.3714082383.

The spelling of 538785 in words is "five hundred thirty-eight thousand, seven hundred eighty-five".