231446 has 8 divisors (see below), whose sum is σ = 358464. Its totient is φ = 111960.

The previous prime is 231443. The next prime is 231461. The reversal of 231446 is 644132.

It is a happy number.

231446 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231443) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1805 + ... + 1928.

It is an arithmetic number, because the mean of its divisors is an integer number (44808).

2²³¹⁴⁴⁶ is an apocalyptic number.

231446 is a deficient number, since it is larger than the sum of its proper divisors (127018).

231446 is a wasteful number, since it uses less digits than its factorization.

231446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766.

The product of its digits is 576, while the sum is 20.

The square root of 231446 is about 481.0883494744. The cubic root of 231446 is about 61.3973876595.

Adding to 231446 its reverse (644132), we get a palindrome (875578).

Subtracting 231446 from its reverse (644132), we obtain a triangular number (412686 = T₉₀₈).

The spelling of 231446 in words is "two hundred thirty-one thousand, four hundred forty-six".