234284785 has 16 divisors (see below), whose sum is σ = 335275776. Its totient is φ = 153667008.

The previous prime is 234284767. The next prime is 234284789. The reversal of 234284785 is 587482432.

It is a cyclic number.

It is not a de Polignac number, because 234284785 - 2⁵ = 234284753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234284789) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 144714 + ... + 146323.

It is an arithmetic number, because the mean of its divisors is an integer number (20954736).

Almost surely, 2^234284785 is an apocalyptic number.

It is an amenable number.

234284785 is a deficient number, since it is larger than the sum of its proper divisors (100990991).

234284785 is a wasteful number, since it uses less digits than its factorization.

234284785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291072.

The product of its digits is 430080, while the sum is 43.

The square root of 234284785 is about 15306.3641992473. The cubic root of 234284785 is about 616.4739011159.

The spelling of 234284785 in words is "two hundred thirty-four million, two hundred eighty-four thousand, seven hundred eighty-five".