228968 has 8 divisors (see below), whose sum is σ = 429330. Its totient is φ = 114480.

The previous prime is 228961. The next prime is 228983. The reversal of 228968 is 869822.

It can be written as a sum of positive squares in only one way, i.e., 228484 + 484 = 478^2 + 22^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (228961) 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 as a sum of consecutive naturals, namely, 14303 + ... + 14318.

2²²⁸⁹⁶⁸ is an apocalyptic number.

It is an amenable number.

228968 is a deficient number, since it is larger than the sum of its proper divisors (200362).

228968 is a wasteful number, since it uses less digits than its factorization.

228968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28627 (or 28623 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 228968 is about 478.5060083217. The cubic root of 228968 is about 61.1774818547.

The spelling of 228968 in words is "two hundred twenty-eight thousand, nine hundred sixty-eight".