531848820 has 24 divisors (see below), whose sum is σ = 1489176864. Its totient is φ = 141826336.

The previous prime is 531848819. The next prime is 531848827. The reversal of 531848820 is 28848135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531848827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4432014 + ... + 4432133.

It is an arithmetic number, because the mean of its divisors is an integer number (62049036).

Almost surely, 2^531848820 is an apocalyptic number.

It is an amenable number.

531848820 is an abundant number, since it is smaller than the sum of its proper divisors (957328044).

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

531848820 is a wasteful number, since it uses less digits than its factorization.

531848820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8864159 (or 8864157 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 531848820 is about 23061.8477143528. The cubic root of 531848820 is about 810.2071410487.

The spelling of 531848820 in words is "five hundred thirty-one million, eight hundred forty-eight thousand, eight hundred twenty".