229879 has 4 divisors (see below), whose sum is σ = 247576. Its totient is φ = 212184.

The previous prime is 229849. The next prime is 229897. The reversal of 229879 is 978922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 229879 - 2⁵ = 229847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8829 + ... + 8854.

It is an arithmetic number, because the mean of its divisors is an integer number (61894).

2²²⁹⁸⁷⁹ is an apocalyptic number.

229879 is a deficient number, since it is larger than the sum of its proper divisors (17697).

229879 is a wasteful number, since it uses less digits than its factorization.

229879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17696.

The product of its digits is 18144, while the sum is 37.

The square root of 229879 is about 479.4569845148. The cubic root of 229879 is about 61.2585105486.

The spelling of 229879 in words is "two hundred twenty-nine thousand, eight hundred seventy-nine".