255446 has 8 divisors (see below), whose sum is σ = 385320. Its totient is φ = 127008.

The previous prime is 255443. The next prime is 255457. The reversal of 255446 is 644552.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485 + ... + 863.

It is an arithmetic number, because the mean of its divisors is an integer number (48165).

2²⁵⁵⁴⁴⁶ is an apocalyptic number.

255446 is a deficient number, since it is larger than the sum of its proper divisors (129874).

255446 is a wasteful number, since it uses less digits than its factorization.

255446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718.

The product of its digits is 4800, while the sum is 26.

The square root of 255446 is about 505.4166597966. The cubic root of 255446 is about 63.4502058641.

Adding to 255446 its reverse (644552), we get a palindrome (899998).

The spelling of 255446 in words is "two hundred fifty-five thousand, four hundred forty-six".