528931116 has 144 divisors (see below), whose sum is σ = 1594232640. Its totient is φ = 144668160.

The previous prime is 528931103. The next prime is 528931129. The reversal of 528931116 is 611139825.

It is an interprime number because it is at equal distance from previous prime (528931103) and next prime (528931129).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1147126 + ... + 1147586.

It is an arithmetic number, because the mean of its divisors is an integer number (11071060).

Almost surely, 2^528931116 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 528931116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797116320).

528931116 is an abundant number, since it is smaller than the sum of its proper divisors (1065301524).

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

528931116 is a wasteful number, since it uses less digits than its factorization.

528931116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 659 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 528931116 is about 22998.5024729872. The cubic root of 528931116 is about 808.7228341118.

The spelling of 528931116 in words is "five hundred twenty-eight million, nine hundred thirty-one thousand, one hundred sixteen".