230740 has 24 divisors (see below), whose sum is σ = 493920. Its totient is φ = 90528.

The previous prime is 230729. The next prime is 230743. The reversal of 230740 is 47032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230743) by changing a digit.

230740 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, 1591 + ... + 1729.

It is an arithmetic number, because the mean of its divisors is an integer number (20580).

2²³⁰⁷⁴⁰ is an apocalyptic number.

230740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230740 is an abundant number, since it is smaller than the sum of its proper divisors (263180).

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

230740 is a wasteful number, since it uses less digits than its factorization.

230740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 230740 is about 480.3540361025. The cubic root of 230740 is about 61.3348954654.

Adding to 230740 its reverse (47032), we get a palindrome (277772).

The spelling of 230740 in words is "two hundred thirty thousand, seven hundred forty".