528728466 has 32 divisors (see below), whose sum is σ = 1272130560. Its totient is φ = 143114256.

The previous prime is 528728461. The next prime is 528728471. The reversal of 528728466 is 664827825.

It is an interprime number because it is at equal distance from previous prime (528728461) and next prime (528728471).

It is not an unprimeable number, because it can be changed into a prime (528728461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330486 + ... + 332081.

It is an arithmetic number, because the mean of its divisors is an integer number (39754080).

Almost surely, 2^528728466 is an apocalyptic number.

528728466 is an abundant number, since it is smaller than the sum of its proper divisors (743402094).

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

528728466 is a wasteful number, since it uses less digits than its factorization.

528728466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662598.

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

The square root of 528728466 is about 22994.0963292755. The cubic root of 528728466 is about 808.6195386088.

The spelling of 528728466 in words is "five hundred twenty-eight million, seven hundred twenty-eight thousand, four hundred sixty-six".