539893 has 4 divisors (see below), whose sum is σ = 558540. Its totient is φ = 521248.

The previous prime is 539881. The next prime is 539897. The reversal of 539893 is 398935.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 432964 + 106929 = 658^2 + 327^2 .

It is a cyclic number.

It is not a de Polignac number, because 539893 - 2¹³ = 531701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539897) 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 3 ways as a sum of consecutive naturals, for example, 9280 + ... + 9337.

It is an arithmetic number, because the mean of its divisors is an integer number (139635).

2⁵³⁹⁸⁹³ is an apocalyptic number.

It is an amenable number.

539893 is a deficient number, since it is larger than the sum of its proper divisors (18647).

539893 is a wasteful number, since it uses less digits than its factorization.

539893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18646.

The product of its digits is 29160, while the sum is 37.

The square root of 539893 is about 734.7741149496. The cubic root of 539893 is about 81.4271495743.

The spelling of 539893 in words is "five hundred thirty-nine thousand, eight hundred ninety-three".