230660 has 24 divisors (see below), whose sum is σ = 510720. Its totient is φ = 87264.

The previous prime is 230653. The next prime is 230663. The reversal of 230660 is 66032.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (230663) by changing a digit.

230660 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77 + ... + 683.

It is an arithmetic number, because the mean of its divisors is an integer number (21280).

2²³⁰⁶⁶⁰ is an apocalyptic number.

230660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255360).

230660 is an abundant number, since it is smaller than the sum of its proper divisors (280060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230660 is a wasteful number, since it uses less digits than its factorization.

230660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 230660 is about 480.2707569694. The cubic root of 230660 is about 61.3278061602.

Adding to 230660 its reverse (66032), we get a palindrome (296692).

The spelling of 230660 in words is "two hundred thirty thousand, six hundred sixty".