223899 has 8 divisors (see below), whose sum is σ = 321552. Its totient is φ = 137760.

The previous prime is 223849. The next prime is 223903. The reversal of 223899 is 998322.

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

It is not a de Polignac number, because 223899 - 2¹⁶ = 158363 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (223829) 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 7 ways as a sum of consecutive naturals, for example, 2832 + ... + 2909.

It is an arithmetic number, because the mean of its divisors is an integer number (40194).

2²²³⁸⁹⁹ is an apocalyptic number.

223899 is a deficient number, since it is larger than the sum of its proper divisors (97653).

223899 is a wasteful number, since it uses less digits than its factorization.

223899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757.

The product of its digits is 7776, while the sum is 33.

The square root of 223899 is about 473.1796698929. The cubic root of 223899 is about 60.7226502234.

Adding to 223899 its reverse (998322), we get a palindrome (1222221).

The spelling of 223899 in words is "two hundred twenty-three thousand, eight hundred ninety-nine".