539636 has 6 divisors (see below), whose sum is σ = 944370. Its totient is φ = 269816.

The previous prime is 539633. The next prime is 539639. The reversal of 539636 is 636935.

It is an interprime number because it is at equal distance from previous prime (539633) and next prime (539639).

It can be written as a sum of positive squares in only one way, i.e., 384400 + 155236 = 620^2 + 394^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539633) 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 as a sum of consecutive naturals, namely, 67451 + ... + 67458.

It is an arithmetic number, because the mean of its divisors is an integer number (157395).

2⁵³⁹⁶³⁶ is an apocalyptic number.

It is an amenable number.

539636 is a deficient number, since it is larger than the sum of its proper divisors (404734).

539636 is a wasteful number, since it uses less digits than its factorization.

539636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134913 (or 134911 counting only the distinct ones).

The product of its digits is 14580, while the sum is 32.

The square root of 539636 is about 734.5992104542. The cubic root of 539636 is about 81.4142271997.

The spelling of 539636 in words is "five hundred thirty-nine thousand, six hundred thirty-six".