8428573 has 4 divisors (see below), whose sum is σ = 8475840. Its totient is φ = 8381308.

The previous prime is 8428547. The next prime is 8428591. The reversal of 8428573 is 3758248.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8428573 - 2⁹ = 8428061 is a prime.

It is a d-powerful number, because it can be written as 8³ + 4¹¹ + 2²² + 8⁴ + 5⁶ + 7² + 3⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8428513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23365 + ... + 23722.

It is an arithmetic number, because the mean of its divisors is an integer number (2118960).

Almost surely, 2^8428573 is an apocalyptic number.

It is an amenable number.

8428573 is a deficient number, since it is larger than the sum of its proper divisors (47267).

8428573 is a wasteful number, since it uses less digits than its factorization.

8428573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47266.

The product of its digits is 53760, while the sum is 37.

The square root of 8428573 is about 2903.2004753375. The cubic root of 8428573 is about 203.5094985575.

The spelling of 8428573 in words is "eight million, four hundred twenty-eight thousand, five hundred seventy-three".