528397416 has 96 divisors (see below), whose sum is σ = 1479466560. Its totient is φ = 170263296.

The previous prime is 528397327. The next prime is 528397421. The reversal of 528397416 is 614793825.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318060 + ... + 319716.

It is an arithmetic number, because the mean of its divisors is an integer number (15411110).

Almost surely, 2^528397416 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 528397416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (739733280).

528397416 is an abundant number, since it is smaller than the sum of its proper divisors (951069144).

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

528397416 is a wasteful number, since it uses less digits than its factorization.

528397416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815 (or 1808 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 528397416 is about 22986.8966152458. The cubic root of 528397416 is about 808.4507377941.

The spelling of 528397416 in words is "five hundred twenty-eight million, three hundred ninety-seven thousand, four hundred sixteen".