528734388 has 96 divisors (see below), whose sum is σ = 1567498240. Its totient is φ = 134939520.

The previous prime is 528734383. The next prime is 528734389. The reversal of 528734388 is 883437825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528734383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26043 + ... + 41661.

Almost surely, 2^528734388 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 528734388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783749120).

528734388 is an abundant number, since it is smaller than the sum of its proper divisors (1038763852).

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

528734388 is a wasteful number, since it uses less digits than its factorization.

528734388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15677 (or 15675 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 528734388 is about 22994.2251010988. The cubic root of 528734388 is about 808.6225575668.

The spelling of 528734388 in words is "five hundred twenty-eight million, seven hundred thirty-four thousand, three hundred eighty-eight".