428585852 has 12 divisors (see below), whose sum is σ = 752878896. Its totient is φ = 213477600.

The previous prime is 428585851. The next prime is 428585893. The reversal of 428585852 is 258585824.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 428585797 and 428585806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428585851) 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, 202649 + ... + 204752.

It is an arithmetic number, because the mean of its divisors is an integer number (62739908).

Almost surely, 2^428585852 is an apocalyptic number.

It is an amenable number.

428585852 is a deficient number, since it is larger than the sum of its proper divisors (324293044).

428585852 is a wasteful number, since it uses less digits than its factorization.

428585852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407668 (or 407666 counting only the distinct ones).

The product of its digits is 1024000, while the sum is 47.

The square root of 428585852 is about 20702.3151362354. The cubic root of 428585852 is about 753.9558989842.

The spelling of 428585852 in words is "four hundred twenty-eight million, five hundred eighty-five thousand, eight hundred fifty-two".