230726 has 4 divisors (see below), whose sum is σ = 346092. Its totient is φ = 115362.

The previous prime is 230719. The next prime is 230729. The reversal of 230726 is 627032.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 230698 and 230707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230729) by changing a digit.

230726 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 as a sum of consecutive naturals, namely, 57680 + ... + 57683.

It is an arithmetic number, because the mean of its divisors is an integer number (86523).

2²³⁰⁷²⁶ is an apocalyptic number.

230726 is a deficient number, since it is larger than the sum of its proper divisors (115366).

230726 is a wasteful number, since it uses less digits than its factorization.

230726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115365.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 230726 is about 480.3394632965. The cubic root of 230726 is about 61.3336549553. Note that the first 3 decimals are identical.

Adding to 230726 its reverse (627032), we get a palindrome (857758).

The spelling of 230726 in words is "two hundred thirty thousand, seven hundred twenty-six".