229856 has 24 divisors (see below), whose sum is σ = 494424. Its totient is φ = 104320.

The previous prime is 229849. The next prime is 229897. The reversal of 229856 is 658922.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

229856 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 26 + ... + 678.

It is an arithmetic number, because the mean of its divisors is an integer number (20601).

2²²⁹⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247212).

229856 is an abundant number, since it is smaller than the sum of its proper divisors (264568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229856 is a wasteful number, since it uses less digits than its factorization.

229856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 666 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 229856 is about 479.4329984471. The cubic root of 229856 is about 61.2564674553.

The spelling of 229856 in words is "two hundred twenty-nine thousand, eight hundred fifty-six".