500345872 has 20 divisors (see below), whose sum is σ = 1043991340. Its totient is φ = 230928768.

The previous prime is 500345863. The next prime is 500345873. The reversal of 500345872 is 278543005.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 277022736 + 223323136 = 16644^2 + 14944^2 .

It is not an unprimeable number, because it can be changed into a prime (500345873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202547 + ... + 1202962.

It is an arithmetic number, because the mean of its divisors is an integer number (52199567).

Almost surely, 2^500345872 is an apocalyptic number.

500345872 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

500345872 is an abundant number, since it is smaller than the sum of its proper divisors (543645468).

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

500345872 is a wasteful number, since it uses less digits than its factorization.

500345872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405530 (or 2405524 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 500345872 is about 22368.4123710200. The cubic root of 500345872 is about 793.8834963266.

Adding to 500345872 its reverse (278543005), we get a palindrome (778888877).

The spelling of 500345872 in words is "five hundred million, three hundred forty-five thousand, eight hundred seventy-two".