229986 has 16 divisors (see below), whose sum is σ = 511200. Its totient is φ = 76644.

The previous prime is 229981. The next prime is 230003. The reversal of 229986 is 689922.

It is a self number, because there is not a number n which added to its sum of digits gives 229986.

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, 2076 + ... + 2183.

It is an arithmetic number, because the mean of its divisors is an integer number (31950).

2²²⁹⁹⁸⁶ is an apocalyptic number.

229986 is an abundant number, since it is smaller than the sum of its proper divisors (281214).

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

229986 is a wasteful number, since it uses less digits than its factorization.

229986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270 (or 4264 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 229986 is about 479.5685561002. The cubic root of 229986 is about 61.2680135827.

The spelling of 229986 in words is "two hundred twenty-nine thousand, nine hundred eighty-six".