428585573 has 8 divisors (see below), whose sum is σ = 469121016. Its totient is φ = 389131200.

The previous prime is 428585557. The next prime is 428585581. The reversal of 428585573 is 375585824.

It can be written as a sum of positive squares in 4 ways, for example, as 12769 + 428572804 = 113^2 + 20702^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 428585573 - 2⁴ = 428585557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428585513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269438 + ... + 271023.

It is an arithmetic number, because the mean of its divisors is an integer number (58640127).

Almost surely, 2^428585573 is an apocalyptic number.

It is an amenable number.

428585573 is a deficient number, since it is larger than the sum of its proper divisors (40535443).

428585573 is a wasteful number, since it uses less digits than its factorization.

428585573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540535.

The product of its digits is 1344000, while the sum is 47.

The square root of 428585573 is about 20702.3083978575. The cubic root of 428585573 is about 753.9557353813.

The spelling of 428585573 in words is "four hundred twenty-eight million, five hundred eighty-five thousand, five hundred seventy-three".