229646 has 8 divisors (see below), whose sum is σ = 346800. Its totient is φ = 114048.

The previous prime is 229639. The next prime is 229681. The reversal of 229646 is 646922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable 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, 110 + ... + 686.

It is an arithmetic number, because the mean of its divisors is an integer number (43350).

2²²⁹⁶⁴⁶ is an apocalyptic number.

229646 is a deficient number, since it is larger than the sum of its proper divisors (117154).

229646 is a wasteful number, since it uses less digits than its factorization.

229646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778.

The product of its digits is 5184, while the sum is 29.

The square root of 229646 is about 479.2139396971. The cubic root of 229646 is about 61.2378068190.

It can be divided in two parts, 22 and 9646, that multiplied together give a palindrome (212212).

The spelling of 229646 in words is "two hundred twenty-nine thousand, six hundred forty-six".