532644 has 48 divisors (see below), whose sum is σ = 1507968. Its totient is φ = 142848.

The previous prime is 532639. The next prime is 532663. The reversal of 532644 is 446235.

It is a d-powerful number, because it can be written as 5³ + 3¹² + 6 + 2⁵ + 4² + 4⁵ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1242 + ... + 1614.

It is an arithmetic number, because the mean of its divisors is an integer number (31416).

2⁵³²⁶⁴⁴ 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 532644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753984).

532644 is an abundant number, since it is smaller than the sum of its proper divisors (975324).

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

532644 is a wasteful number, since it uses less digits than its factorization.

532644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 402 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 532644 is about 729.8246364710. The cubic root of 532644 is about 81.0610726725.

Adding to 532644 its reverse (446235), we get a palindrome (978879).

It can be divided in two parts, 532 and 644, that added together give a triangular number (1176 = T₄₈).

The spelling of 532644 in words is "five hundred thirty-two thousand, six hundred forty-four".