234835785 has 12 divisors (see below), whose sum is σ = 407048772. Its totient is φ = 125245728.

The previous prime is 234835759. The next prime is 234835831. The reversal of 234835785 is 587538432.

It can be written as a sum of positive squares in 2 ways, for example, as 64689849 + 170145936 = 8043^2 + 13044^2 .

It is not a de Polignac number, because 234835785 - 2⁹ = 234835273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 5218573 = 234835785 / (2 + 3 + 4 + 8 + 3 + 5 + 7 + 8 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 234835785.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2609242 + ... + 2609331.

It is an arithmetic number, because the mean of its divisors is an integer number (33920731).

Almost surely, 2^234835785 is an apocalyptic number.

It is an amenable number.

234835785 is a deficient number, since it is larger than the sum of its proper divisors (172212987).

234835785 is a wasteful number, since it uses less digits than its factorization.

234835785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5218584 (or 5218581 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 234835785 is about 15324.3526780089. The cubic root of 234835785 is about 616.9568051143.

The spelling of 234835785 in words is "two hundred thirty-four million, eight hundred thirty-five thousand, seven hundred eighty-five".