539856 has 60 divisors (see below), whose sum is σ = 1586208. Its totient is φ = 171072.

The previous prime is 539849. The next prime is 539863. The reversal of 539856 is 658935.

It is an interprime number because it is at equal distance from previous prime (539849) and next prime (539863).

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (32400) is a multiple of the sum of its prime factors (200).

It is a self number, because there is not a number n which added to its sum of digits gives 539856.

It is a congruent number.

It is an unprimeable number.

539856 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3231 + ... + 3393.

2⁵³⁹⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 539856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (793104).

539856 is an abundant number, since it is smaller than the sum of its proper divisors (1046352).

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

539856 is a wasteful number, since it uses less digits than its factorization.

539856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 191 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 539856 is about 734.7489367124. The cubic root of 539856 is about 81.4252894074.

The spelling of 539856 in words is "five hundred thirty-nine thousand, eight hundred fifty-six".