230816 has 12 divisors (see below), whose sum is σ = 454482. Its totient is φ = 115392.

The previous prime is 230807. The next prime is 230819. The reversal of 230816 is 618032.

It can be written as a sum of positive squares in only one way, i.e., 163216 + 67600 = 404^2 + 260^2 .

It is not an unprimeable number, because it can be changed into a prime (230819) by changing a digit.

230816 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 3575 + ... + 3638.

2²³⁰⁸¹⁶ is an apocalyptic number.

It is an amenable number.

230816 is a deficient number, since it is larger than the sum of its proper divisors (223666).

230816 is an equidigital number, since it uses as much as digits as its factorization.

230816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7223 (or 7215 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 230816 is about 480.4331379079. The cubic root of 230816 is about 61.3416287877.

Adding to 230816 its reverse (618032), we get a palindrome (848848).

The spelling of 230816 in words is "two hundred thirty thousand, eight hundred sixteen".