539842 has 8 divisors (see below), whose sum is σ = 827136. Its totient is φ = 264132.

The previous prime is 539839. The next prime is 539843. The reversal of 539842 is 248935.

539842 is nontrivially palindromic in base 8.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (539843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2778 + ... + 2965.

It is an arithmetic number, because the mean of its divisors is an integer number (103392).

2⁵³⁹⁸⁴² is an apocalyptic number.

539842 is a deficient number, since it is larger than the sum of its proper divisors (287294).

539842 is a wasteful number, since it uses less digits than its factorization.

539842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5792.

The product of its digits is 8640, while the sum is 31.

The square root of 539842 is about 734.7394095868. The cubic root of 539842 is about 81.4245855382.

The spelling of 539842 in words is "five hundred thirty-nine thousand, eight hundred forty-two".