842528 has 24 divisors (see below), whose sum is σ = 1680588. Its totient is φ = 415744.

The previous prime is 842521. The next prime is 842531. The reversal of 842528 is 825248.

It can be written as a sum of positive squares in 2 ways, for example, as 659344 + 183184 = 812^2 + 428^2 .

It is a zygodrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 842528.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 842528.

It is not an unprimeable number, because it can be changed into a prime (842521) by changing a digit.

842528 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3500 + ... + 3732.

2⁸⁴²⁵²⁸ is an apocalyptic number.

It is an amenable number.

842528 is a deficient number, since it is larger than the sum of its proper divisors (838060).

842528 is a wasteful number, since it uses less digits than its factorization.

842528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 348 counting only the distinct ones).

The product of its digits is 5120, while the sum is 29.

The square root of 842528 is about 917.8932399795. The cubic root of 842528 is about 94.4484382266.

The spelling of 842528 in words is "eight hundred forty-two thousand, five hundred twenty-eight".