538842 has 16 divisors (see below), whose sum is σ = 1112832. Its totient is φ = 173760.

The previous prime is 538841. The next prime is 538871. The reversal of 538842 is 248835.

It is not an unprimeable number, because it can be changed into a prime (538841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263 + ... + 1634.

It is an arithmetic number, because the mean of its divisors is an integer number (69552).

2⁵³⁸⁸⁴² is an apocalyptic number.

538842 is an abundant number, since it is smaller than the sum of its proper divisors (573990).

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

538842 is a wasteful number, since it uses less digits than its factorization.

538842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933.

The product of its digits is 7680, while the sum is 30.

The square root of 538842 is about 734.0585807686. The cubic root of 538842 is about 81.3742776616.

The spelling of 538842 in words is "five hundred thirty-eight thousand, eight hundred forty-two".