539628 has 24 divisors (see below), whose sum is σ = 1271088. Its totient is φ = 178176.

The previous prime is 539621. The next prime is 539629. The reversal of 539628 is 826935.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (539621) 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 7 ways as a sum of consecutive naturals, for example, 2200 + ... + 2432.

It is an arithmetic number, because the mean of its divisors is an integer number (52962).

2⁵³⁹⁶²⁸ is an apocalyptic number.

It is an amenable number.

539628 is an abundant number, since it is smaller than the sum of its proper divisors (731460).

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

539628 is a wasteful number, since it uses less digits than its factorization.

539628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 431 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 539628 is about 734.5937652880. The cubic root of 539628 is about 81.4138248809.

The spelling of 539628 in words is "five hundred thirty-nine thousand, six hundred twenty-eight".