528921372 has 96 divisors (see below), whose sum is σ = 1468454400. Its totient is φ = 144974592.

The previous prime is 528921359. The next prime is 528921389. The reversal of 528921372 is 273129825.

It is a self number, because there is not a number n which added to its sum of digits gives 528921372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435438 + ... + 436650.

It is an arithmetic number, because the mean of its divisors is an integer number (15296400).

Almost surely, 2^528921372 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 528921372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734227200).

528921372 is an abundant number, since it is smaller than the sum of its proper divisors (939533028).

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

528921372 is a wasteful number, since it uses less digits than its factorization.

528921372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435 (or 1433 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 528921372 is about 22998.2906321318. The cubic root of 528921372 is about 808.7178679681.

The spelling of 528921372 in words is "five hundred twenty-eight million, nine hundred twenty-one thousand, three hundred seventy-two".