539438 has 4 divisors (see below), whose sum is σ = 809160. Its totient is φ = 269718.

The previous prime is 539401. The next prime is 539447. The reversal of 539438 is 834935.

539438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 834935 = 5 ⋅166987.

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 539438.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134858 + ... + 134861.

It is an arithmetic number, because the mean of its divisors is an integer number (202290).

2⁵³⁹⁴³⁸ is an apocalyptic number.

539438 is a deficient number, since it is larger than the sum of its proper divisors (269722).

539438 is a wasteful number, since it uses less digits than its factorization.

539438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269721.

The product of its digits is 12960, while the sum is 32.

The square root of 539438 is about 734.4644307249. The cubic root of 539438 is about 81.4042686418.

The spelling of 539438 in words is "five hundred thirty-nine thousand, four hundred thirty-eight".