531984 has 20 divisors (see below), whose sum is σ = 1374416. Its totient is φ = 177312.

The previous prime is 531983. The next prime is 531989. The reversal of 531984 is 489135.

It is a d-powerful number, because it can be written as 5 + 3¹² + 9 + 1 + 8³ + 4² .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 531984.

It is not an unprimeable number, because it can be changed into a prime (531983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5494 + ... + 5589.

2⁵³¹⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

531984 is an abundant number, since it is smaller than the sum of its proper divisors (842432).

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

531984 is a wasteful number, since it uses less digits than its factorization.

531984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11094 (or 11088 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 531984 is about 729.3723329000. The cubic root of 531984 is about 81.0275778676.

Subtracting from 531984 its reverse (489135), we obtain a square (42849 = 207²).

The spelling of 531984 in words is "five hundred thirty-one thousand, nine hundred eighty-four".