229790 has 16 divisors (see below), whose sum is σ = 451440. Its totient is φ = 83520.

The previous prime is 229781. The next prime is 229799. The reversal of 229790 is 97922.

It is a happy number.

229790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (229781) and next prime (229799).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935 + ... + 1154.

It is an arithmetic number, because the mean of its divisors is an integer number (28215).

2²²⁹⁷⁹⁰ is an apocalyptic number.

229790 is a deficient number, since it is larger than the sum of its proper divisors (221650).

229790 is a wasteful number, since it uses less digits than its factorization.

229790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 229790 is about 479.3641621982. The cubic root of 229790 is about 61.2506039091.

It can be divided in two parts, 2 and 29790, that added together give a palindrome (29792).

The spelling of 229790 in words is "two hundred twenty-nine thousand, seven hundred ninety".