539890 has 16 divisors (see below), whose sum is σ = 1046808. Its totient is φ = 199296.

The previous prime is 539881. The next prime is 539897. The reversal of 539890 is 98935.

539890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 159201 + 380689 = 399^2 + 617^2 .

It is not an unprimeable number, because it can be changed into a prime (539897) 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, 1947 + ... + 2206.

2⁵³⁹⁸⁹⁰ is an apocalyptic number.

539890 is a deficient number, since it is larger than the sum of its proper divisors (506918).

539890 is a wasteful number, since it uses less digits than its factorization.

539890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 539890 is about 734.7720735031. The cubic root of 539890 is about 81.4269987531.

It can be divided in two parts, 539 and 890, that multiplied together give a triangular number (479710 = T₉₇₉).

The spelling of 539890 in words is "five hundred thirty-nine thousand, eight hundred ninety".