532840 has 64 divisors (see below), whose sum is σ = 1503360. Its totient is φ = 165120.

The previous prime is 532823. The next prime is 532849. The reversal of 532840 is 48235.

532840 = T₁₀₉ + T₁₁₀ + ... + T₁₆₄.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (532849) by changing a digit.

532840 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 15 ways as a sum of consecutive naturals, for example, 2994 + ... + 3166.

It is an arithmetic number, because the mean of its divisors is an integer number (23490).

2⁵³²⁸⁴⁰ 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 532840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751680).

532840 is an abundant number, since it is smaller than the sum of its proper divisors (970520).

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

532840 is a wasteful number, since it uses less digits than its factorization.

532840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 532840 is about 729.9589029528. The cubic root of 532840 is about 81.0710142857.

The spelling of 532840 in words is "five hundred thirty-two thousand, eight hundred forty".