428443235 has 16 divisors (see below), whose sum is σ = 574553952. Its totient is φ = 303993600.

The previous prime is 428443207. The next prime is 428443243. The reversal of 428443235 is 532344824.

It is not a de Polignac number, because 428443235 - 2⁸ = 428442979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 428443195 and 428443204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92744 + ... + 97253.

It is an arithmetic number, because the mean of its divisors is an integer number (35909622).

Almost surely, 2^428443235 is an apocalyptic number.

428443235 is a deficient number, since it is larger than the sum of its proper divisors (146110717).

428443235 is a wasteful number, since it uses less digits than its factorization.

428443235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190054.

The product of its digits is 92160, while the sum is 35.

The square root of 428443235 is about 20698.8703798058. The cubic root of 428443235 is about 753.8722604653.

The spelling of 428443235 in words is "four hundred twenty-eight million, four hundred forty-three thousand, two hundred thirty-five".