539964 has 36 divisors (see below), whose sum is σ = 1395576. Its totient is φ = 175968.

The previous prime is 539947. The next prime is 539993. The reversal of 539964 is 469935.

539964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×539964² = 583122242592, which contains 22 as substring.

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

It is a d-powerful number, because it can be written as 5 + 3¹² + 9 + 9³ + 6⁵ + 4 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1767 + ... + 2049.

It is an arithmetic number, because the mean of its divisors is an integer number (38766).

2⁵³⁹⁹⁶⁴ 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 539964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697788).

539964 is an abundant number, since it is smaller than the sum of its proper divisors (855612).

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

539964 is a wasteful number, since it uses less digits than its factorization.

539964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 341 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 539964 is about 734.8224275293. The cubic root of 539964 is about 81.4307188459.

The spelling of 539964 in words is "five hundred thirty-nine thousand, nine hundred sixty-four".