539638 has 16 divisors (see below), whose sum is σ = 930240. Its totient is φ = 232200.

The previous prime is 539633. The next prime is 539639. The reversal of 539638 is 836935.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228 + ... + 1063.

It is an arithmetic number, because the mean of its divisors is an integer number (58140).

2⁵³⁹⁶³⁸ is an apocalyptic number.

539638 is a deficient number, since it is larger than the sum of its proper divisors (390602).

539638 is a wasteful number, since it uses less digits than its factorization.

539638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323.

The product of its digits is 19440, while the sum is 34.

The square root of 539638 is about 734.6005717395. The cubic root of 539638 is about 81.4143277787.

The spelling of 539638 in words is "five hundred thirty-nine thousand, six hundred thirty-eight".