229689 has 16 divisors (see below), whose sum is σ = 349440. Its totient is φ = 149040.

The previous prime is 229681. The next prime is 229693. The reversal of 229689 is 986922.

It is not a de Polignac number, because 229689 - 2³ = 229681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1179 + ... + 1359.

It is an arithmetic number, because the mean of its divisors is an integer number (21840).

2²²⁹⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

229689 is a deficient number, since it is larger than the sum of its proper divisors (119751).

229689 is a wasteful number, since it uses less digits than its factorization.

229689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 231 counting only the distinct ones).

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

The square root of 229689 is about 479.2588027361. The cubic root of 229689 is about 61.2416287324.

The spelling of 229689 in words is "two hundred twenty-nine thousand, six hundred eighty-nine".