428432883 has 8 divisors (see below), whose sum is σ = 572479488. Its totient is φ = 285004104.

The previous prime is 428432819. The next prime is 428432887. The reversal of 428432883 is 388234824.

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

It is not a de Polignac number, because 428432883 - 2⁶ = 428432819 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (428432887) 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 7 ways as a sum of consecutive naturals, for example, 152835 + ... + 155612.

It is an arithmetic number, because the mean of its divisors is an integer number (71559936).

Almost surely, 2^428432883 is an apocalyptic number.

428432883 is a deficient number, since it is larger than the sum of its proper divisors (144046605).

428432883 is a wasteful number, since it uses less digits than its factorization.

428432883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308913.

The product of its digits is 294912, while the sum is 42.

The square root of 428432883 is about 20698.6203163399. The cubic root of 428432883 is about 753.8661887559.

The spelling of 428432883 in words is "four hundred twenty-eight million, four hundred thirty-two thousand, eight hundred eighty-three".