538784 has 24 divisors (see below), whose sum is σ = 1077300. Its totient is φ = 265216.

The previous prime is 538777. The next prime is 538789. The reversal of 538784 is 487835.

It can be written as a sum of positive squares in 2 ways, for example, as 394384 + 144400 = 628^2 + 380^2 .

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

538784 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 in 3 ways as a sum of consecutive naturals, for example, 3542 + ... + 3690.

2⁵³⁸⁷⁸⁴ is an apocalyptic number.

It is an amenable number.

538784 is a deficient number, since it is larger than the sum of its proper divisors (538516).

538784 is a wasteful number, since it uses less digits than its factorization.

538784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 264 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 538784 is about 734.0190733217. The cubic root of 538784 is about 81.3713578958.

It can be divided in two parts, 53878 and 4, that multiplied together give a palindrome (215512).

The spelling of 538784 in words is "five hundred thirty-eight thousand, seven hundred eighty-four".