428585859 has 36 divisors (see below), whose sum is σ = 686046504. Its totient is φ = 257572224.

The previous prime is 428585851. The next prime is 428585893. The reversal of 428585859 is 958585824.

It is a happy number.

428585859 is a `hidden beast` number, since 4 + 2 + 8 + 58 + 585 + 9 = 666.

It is not a de Polignac number, because 428585859 - 2³ = 428585851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428585851) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 62127 + ... + 68679.

Almost surely, 2^428585859 is an apocalyptic number.

428585859 is a deficient number, since it is larger than the sum of its proper divisors (257460645).

428585859 is a wasteful number, since it uses less digits than its factorization.

428585859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6628 (or 6612 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 54.

The square root of 428585859 is about 20702.3153052986. The cubic root of 428585859 is about 753.9559030889.

The spelling of 428585859 in words is "four hundred twenty-eight million, five hundred eighty-five thousand, eight hundred fifty-nine".