538816 has 14 divisors (see below), whose sum is σ = 1069340. Its totient is φ = 269376.

The previous prime is 538801. The next prime is 538817. The reversal of 538816 is 618835.

It is not an unprimeable number, because it can be changed into a prime (538817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4146 + ... + 4273.

2⁵³⁸⁸¹⁶ is an apocalyptic number.

It is an amenable number.

538816 is a deficient number, since it is larger than the sum of its proper divisors (530524).

538816 is an equidigital number, since it uses as much as digits as its factorization.

538816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8431 (or 8421 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 538816 is about 734.0408707967. The cubic root of 538816 is about 81.3729688270.

The spelling of 538816 in words is "five hundred thirty-eight thousand, eight hundred sixteen".