539388 has 18 divisors (see below), whose sum is σ = 1363544. Its totient is φ = 179784.

The previous prime is 539351. The next prime is 539389. The reversal of 539388 is 883935.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 14983 = 539388 / (5 + 3 + 9 + 3 + 8 + 8).

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 539388.

It is not an unprimeable number, because it can be changed into a prime (539389) by changing a digit.

539388 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 5 ways as a sum of consecutive naturals, for example, 7456 + ... + 7527.

2⁵³⁹³⁸⁸ is an apocalyptic number.

It is an amenable number.

539388 is an abundant number, since it is smaller than the sum of its proper divisors (824156).

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

539388 is a wasteful number, since it uses less digits than its factorization.

539388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14993 (or 14988 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 539388 is about 734.4303915280. The cubic root of 539388 is about 81.4017534691.

It can be divided in two parts, 5 and 39388, that added together give a palindrome (39393).

The spelling of 539388 in words is "five hundred thirty-nine thousand, three hundred eighty-eight".