234856985 has 16 divisors (see below), whose sum is σ = 308385792. Its totient is φ = 170284800.

The previous prime is 234856981. The next prime is 234856991. The reversal of 234856985 is 589658432.

It is not a de Polignac number, because 234856985 - 2² = 234856981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234856981) 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 15 ways as a sum of consecutive naturals, for example, 12200 + ... + 24870.

It is an arithmetic number, because the mean of its divisors is an integer number (19274112).

Almost surely, 2^234856985 is an apocalyptic number.

It is an amenable number.

234856985 is a deficient number, since it is larger than the sum of its proper divisors (73528807).

234856985 is a wasteful number, since it uses less digits than its factorization.

234856985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13024.

The product of its digits is 2073600, while the sum is 50.

The square root of 234856985 is about 15325.0443718770. The cubic root of 234856985 is about 616.9753699889.

The spelling of 234856985 in words is "two hundred thirty-four million, eight hundred fifty-six thousand, nine hundred eighty-five".