528381372 has 24 divisors (see below), whose sum is σ = 1234105600. Its totient is φ = 175953456.

The previous prime is 528381353. The next prime is 528381389. The reversal of 528381372 is 273183825.

It is a self number, because there is not a number n which added to its sum of digits gives 528381372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8722 + ... + 33657.

Almost surely, 2^528381372 is an apocalyptic number.

It is an amenable number.

528381372 is an abundant number, since it is smaller than the sum of its proper divisors (705724228).

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

528381372 is a wasteful number, since it uses less digits than its factorization.

528381372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43425 (or 43423 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 528381372 is about 22986.5476311690. The cubic root of 528381372 is about 808.4425552440.

The spelling of 528381372 in words is "five hundred twenty-eight million, three hundred eighty-one thousand, three hundred seventy-two".