528934789 has 4 divisors (see below), whose sum is σ = 529010860. Its totient is φ = 528858720.

The previous prime is 528934781. The next prime is 528934853. The reversal of 528934789 is 987439825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 333354564 + 195580225 = 18258^2 + 13985^2 .

It is a cyclic number.

It is not a de Polignac number, because 528934789 - 2³ = 528934781 is a prime.

It is a super-2 number, since 2×528934789² = 559544022028949042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528934781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26424 + ... + 41905.

It is an arithmetic number, because the mean of its divisors is an integer number (132252715).

Almost surely, 2^528934789 is an apocalyptic number.

It is an amenable number.

528934789 is a deficient number, since it is larger than the sum of its proper divisors (76071).

528934789 is an equidigital number, since it uses as much as digits as its factorization.

528934789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76070.

The product of its digits is 4354560, while the sum is 55.

The square root of 528934789 is about 22998.5823258739. The cubic root of 528934789 is about 808.7247060834.

The spelling of 528934789 in words is "five hundred twenty-eight million, nine hundred thirty-four thousand, seven hundred eighty-nine".