528231798 has 24 divisors (see below), whose sum is σ = 1148644848. Its totient is φ = 175439952.

The previous prime is 528231793. The next prime is 528231811. The reversal of 528231798 is 897132825.

It is a happy number.

528231798 is a `hidden beast` number, since 528 + 2 + 31 + 7 + 98 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528231791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47986 + ... + 57957.

It is an arithmetic number, because the mean of its divisors is an integer number (47860202).

Almost surely, 2^528231798 is an apocalyptic number.

528231798 is an abundant number, since it is smaller than the sum of its proper divisors (620413050).

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

528231798 is a wasteful number, since it uses less digits than its factorization.

528231798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106228 (or 106225 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 528231798 is about 22983.2938892579. The cubic root of 528231798 is about 808.3662635065.

The spelling of 528231798 in words is "five hundred twenty-eight million, two hundred thirty-one thousand, seven hundred ninety-eight".