538392528 has 80 divisors (see below), whose sum is σ = 1550248000. Its totient is φ = 178899840.

The previous prime is 538392521. The next prime is 538392539. The reversal of 538392528 is 825293835.

538392528 is a `hidden beast` number, since 5 + 38 + 3 + 92 + 528 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538392521) 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 15 ways as a sum of consecutive naturals, for example, 148983 + ... + 152553.

It is an arithmetic number, because the mean of its divisors is an integer number (19378100).

Almost surely, 2^538392528 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 538392528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775124000).

538392528 is an abundant number, since it is smaller than the sum of its proper divisors (1011855472).

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

538392528 is a wasteful number, since it uses less digits than its factorization.

538392528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937 (or 3925 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 538392528 is about 23203.2870085253. The cubic root of 538392528 is about 813.5164540347.

The spelling of 538392528 in words is "five hundred thirty-eight million, three hundred ninety-two thousand, five hundred twenty-eight".