538728680 has 32 divisors (see below), whose sum is σ = 1385303040. Its totient is φ = 184706880.

The previous prime is 538728667. The next prime is 538728689. The reversal of 538728680 is 86827835.

It is not an unprimeable number, because it can be changed into a prime (538728689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961736 + ... + 962295.

It is an arithmetic number, because the mean of its divisors is an integer number (43290720).

Almost surely, 2^538728680 is an apocalyptic number.

It is an amenable number.

538728680 is an abundant number, since it is smaller than the sum of its proper divisors (846574360).

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

538728680 is a wasteful number, since it uses less digits than its factorization.

538728680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924049 (or 1924045 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 538728680 is about 23210.5295071009. The cubic root of 538728680 is about 813.6857284796.

The spelling of 538728680 in words is "five hundred thirty-eight million, seven hundred twenty-eight thousand, six hundred eighty".