230906 has 16 divisors (see below), whose sum is σ = 381024. Its totient is φ = 104304.

The previous prime is 230891. The next prime is 230929. The reversal of 230906 is 609032.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2105 + ... + 2211.

It is an arithmetic number, because the mean of its divisors is an integer number (23814).

2²³⁰⁹⁰⁶ is an apocalyptic number.

230906 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

230906 is a deficient number, since it is larger than the sum of its proper divisors (150118).

230906 is a wasteful number, since it uses less digits than its factorization.

230906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 230906 is about 480.5267942581. The cubic root of 230906 is about 61.3496005475.

Adding to 230906 its reverse (609032), we get a palindrome (839938).

The spelling of 230906 in words is "two hundred thirty thousand, nine hundred six".