528304469 has 32 divisors (see below), whose sum is σ = 675171072. Its totient is φ = 401472000.

The previous prime is 528304451. The next prime is 528304471. The reversal of 528304469 is 964403825.

It is a cyclic number.

It is not a de Polignac number, because 528304469 - 2¹² = 528300373 is a prime.

It is a super-2 number, since 2×528304469² = 558211223930743922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528304409) 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, 643079 + ... + 643899.

It is an arithmetic number, because the mean of its divisors is an integer number (21099096).

Almost surely, 2^528304469 is an apocalyptic number.

It is an amenable number.

528304469 is a deficient number, since it is larger than the sum of its proper divisors (146866603).

528304469 is a wasteful number, since it uses less digits than its factorization.

528304469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 528304469 is about 22984.8747875641. The cubic root of 528304469 is about 808.4033318865.

The spelling of 528304469 in words is "five hundred twenty-eight million, three hundred four thousand, four hundred sixty-nine".