428875235 has 32 divisors (see below), whose sum is σ = 574636032. Its totient is φ = 305763840.

The previous prime is 428875199. The next prime is 428875253. The reversal of 428875235 is 532578824.

It is not a de Polignac number, because 428875235 - 2¹⁸ = 428613091 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122114 + ... + 125576.

It is an arithmetic number, because the mean of its divisors is an integer number (17957376).

Almost surely, 2^428875235 is an apocalyptic number.

428875235 is a deficient number, since it is larger than the sum of its proper divisors (145760797).

428875235 is a wasteful number, since it uses less digits than its factorization.

428875235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563.

The product of its digits is 537600, while the sum is 44.

The square root of 428875235 is about 20709.3031027121. The cubic root of 428875235 is about 754.1255522221.

The spelling of 428875235 in words is "four hundred twenty-eight million, eight hundred seventy-five thousand, two hundred thirty-five".