538878 has 32 divisors (see below), whose sum is σ = 1180800. Its totient is φ = 163296.

The previous prime is 538877. The next prime is 538921. The reversal of 538878 is 878835.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 538878.

It is not an unprimeable number, because it can be changed into a prime (538871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3225 + ... + 3387.

It is an arithmetic number, because the mean of its divisors is an integer number (36900).

2⁵³⁸⁸⁷⁸ is an apocalyptic number.

538878 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

538878 is an abundant number, since it is smaller than the sum of its proper divisors (641922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538878 is a wasteful number, since it uses less digits than its factorization.

538878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216.

The product of its digits is 53760, while the sum is 39.

The square root of 538878 is about 734.0831015628. The cubic root of 538878 is about 81.3760898247.

It can be divided in two parts, 5 and 38878, that added together give a palindrome (38883).

The spelling of 538878 in words is "five hundred thirty-eight thousand, eight hundred seventy-eight".