539216 has 20 divisors (see below), whose sum is σ = 1062432. Its totient is φ = 265056.

The previous prime is 539207. The next prime is 539219. The reversal of 539216 is 612935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821 + ... + 1323.

539216 is a Friedman number, since it can be written as 9^6+(3*2)^5-1, using all its digits and the basic arithmetic operations.

2⁵³⁹²¹⁶ is an apocalyptic number.

It is an amenable number.

539216 is a deficient number, since it is larger than the sum of its proper divisors (523216).

539216 is a wasteful number, since it uses less digits than its factorization.

539216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 572 counting only the distinct ones).

The product of its digits is 1620, while the sum is 26.

The square root of 539216 is about 734.3132846408. The cubic root of 539216 is about 81.3931000878.

The spelling of 539216 in words is "five hundred thirty-nine thousand, two hundred sixteen".