428848585 has 8 divisors (see below), whose sum is σ = 561401856. Its totient is φ = 311889840.

The previous prime is 428848573. The next prime is 428848649. The reversal of 428848585 is 585848824.

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

It is not a de Polignac number, because 428848585 - 2⁷ = 428848457 is a prime.

It is a super-2 number, since 2×428848585² = 367822217713004450, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3898569 + ... + 3898678.

It is an arithmetic number, because the mean of its divisors is an integer number (70175232).

Almost surely, 2^428848585 is an apocalyptic number.

It is an amenable number.

428848585 is a deficient number, since it is larger than the sum of its proper divisors (132553271).

428848585 is a wasteful number, since it uses less digits than its factorization.

428848585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797263.

The product of its digits is 3276800, while the sum is 52.

The square root of 428848585 is about 20708.6596620834. The cubic root of 428848585 is about 754.1099316246.

The spelling of 428848585 in words is "four hundred twenty-eight million, eight hundred forty-eight thousand, five hundred eighty-five".