531994832 has 40 divisors (see below), whose sum is σ = 1088650560. Its totient is φ = 251147520.

The previous prime is 531994823. The next prime is 531994849. The reversal of 531994832 is 238499135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92357 + ... + 97947.

It is an arithmetic number, because the mean of its divisors is an integer number (27216264).

Almost surely, 2^531994832 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 531994832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544325280).

531994832 is an abundant number, since it is smaller than the sum of its proper divisors (556655728).

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

531994832 is a wasteful number, since it uses less digits than its factorization.

531994832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931 (or 5925 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 531994832 is about 23065.0131584615. The cubic root of 531994832 is about 810.2812781194.

The spelling of 531994832 in words is "five hundred thirty-one million, nine hundred ninety-four thousand, eight hundred thirty-two".