569428 has 6 divisors (see below), whose sum is σ = 996506. Its totient is φ = 284712.

The previous prime is 569423. The next prime is 569431. The reversal of 569428 is 824965.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 311364 + 258064 = 558^2 + 508^2 .

It is a junction number, because it is equal to n+sod(n) for n = 569393 and 569402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (569423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71175 + ... + 71182.

2⁵⁶⁹⁴²⁸ is an apocalyptic number.

It is an amenable number.

569428 is a deficient number, since it is larger than the sum of its proper divisors (427078).

569428 is a wasteful number, since it uses less digits than its factorization.

569428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142361 (or 142359 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 569428 is about 754.6045321889. The cubic root of 569428 is about 82.8856993467.

The spelling of 569428 in words is "five hundred sixty-nine thousand, four hundred twenty-eight".