385255 has 8 divisors (see below), whose sum is σ = 497952. Its totient is φ = 284448.

The previous prime is 385249. The next prime is 385261. The reversal of 385255 is 552583.

It is an interprime number because it is at equal distance from previous prime (385249) and next prime (385261).

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

It is a cyclic number.

It is not a de Polignac number, because 385255 - 2⁵ = 385223 is a prime.

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, 2899 + ... + 3028.

It is an arithmetic number, because the mean of its divisors is an integer number (62244).

2³⁸⁵²⁵⁵ is an apocalyptic number.

385255 is a deficient number, since it is larger than the sum of its proper divisors (112697).

385255 is a wasteful number, since it uses less digits than its factorization.

385255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5945.

The product of its digits is 6000, while the sum is 28.

The square root of 385255 is about 620.6891331415. The cubic root of 385255 is about 72.7639211599.

It can be divided in two parts, 3 and 85255, that added together give a palindrome (85258).

The spelling of 385255 in words is "three hundred eighty-five thousand, two hundred fifty-five".