531684630 has 24 divisors (see below), whose sum is σ = 1382380272. Its totient is φ = 141782544.

The previous prime is 531684607. The next prime is 531684631. The reversal of 531684630 is 36486135.

531684630 is a `hidden beast` number, since 5 + 3 + 16 + 8 + 4 + 630 = 666.

531684630 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531684631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2953714 + ... + 2953893.

It is an arithmetic number, because the mean of its divisors is an integer number (57599178).

Almost surely, 2^531684630 is an apocalyptic number.

531684630 is an abundant number, since it is smaller than the sum of its proper divisors (850695642).

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

531684630 is a wasteful number, since it uses less digits than its factorization.

531684630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5907620 (or 5907617 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 531684630 is about 23058.2876640916. The cubic root of 531684630 is about 810.1237579536.

The spelling of 531684630 in words is "five hundred thirty-one million, six hundred eighty-four thousand, six hundred thirty".