531849216 has 224 divisors, whose sum is σ = 1604223360. Its totient is φ = 155713536.

The previous prime is 531849161. The next prime is 531849239. The reversal of 531849216 is 612948135.

It is a super-3 number, since 3×531849216³ (a number of 27 digits) contains 333 as substring.

Its product of digits (51840) is a multiple of the sum of its prime divisors (108).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7938015 + ... + 7938081.

Almost surely, 2^531849216 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 531849216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (802111680).

531849216 is an abundant number, since it is smaller than the sum of its proper divisors (1072374144).

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

531849216 is a wasteful number, since it uses less digits than its factorization.

531849216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 108 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 531849216 is about 23061.8562999599. The cubic root of 531849216 is about 810.2073421346.

The spelling of 531849216 in words is "five hundred thirty-one million, eight hundred forty-nine thousand, two hundred sixteen".