428851570 has 32 divisors (see below), whose sum is σ = 883749888. Its totient is φ = 146778048.

The previous prime is 428851561. The next prime is 428851607. The reversal of 428851570 is 75158824.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37444 + ... + 47536.

It is an arithmetic number, because the mean of its divisors is an integer number (27617184).

Almost surely, 2^428851570 is an apocalyptic number.

428851570 is an abundant number, since it is smaller than the sum of its proper divisors (454898318).

428851570 is a wasteful number, since it uses less digits than its factorization.

428851570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10714.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 428851570 is about 20708.7317332569. The cubic root of 428851570 is about 754.1116812809. Note that the first 3 decimals are identical.

The spelling of 428851570 in words is "four hundred twenty-eight million, eight hundred fifty-one thousand, five hundred seventy".