229985 has 8 divisors (see below), whose sum is σ = 315456. Its totient is φ = 157680.

The previous prime is 229981. The next prime is 230003. The reversal of 229985 is 589922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 229985 - 2² = 229981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 6571 = 229985 / (2 + 2 + 9 + 9 + 8 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3251 + ... + 3320.

It is an arithmetic number, because the mean of its divisors is an integer number (39432).

2²²⁹⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

229985 is a deficient number, since it is larger than the sum of its proper divisors (85471).

229985 is an equidigital number, since it uses as much as digits as its factorization.

229985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6583.

The product of its digits is 12960, while the sum is 35.

The square root of 229985 is about 479.5675134952. The cubic root of 229985 is about 61.2679247830.

The spelling of 229985 in words is "two hundred twenty-nine thousand, nine hundred eighty-five".