385155 has 24 divisors (see below), whose sum is σ = 694512. Its totient is φ = 204768.

The previous prime is 385153. The next prime is 385159. The reversal of 385155 is 551583.

It is not a de Polignac number, because 385155 - 2¹ = 385153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (385153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1057 + ... + 1373.

It is an arithmetic number, because the mean of its divisors is an integer number (28938).

385155 is a Friedman number, since it can be written as 1585*3^5, using all its digits and the basic arithmetic operations.

2³⁸⁵¹⁵⁵ is an apocalyptic number.

385155 is a deficient number, since it is larger than the sum of its proper divisors (309357).

385155 is an equidigital number, since it uses as much as digits as its factorization.

385155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 325 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 385155 is about 620.6085722901. The cubic root of 385155 is about 72.7576248784.

It can be divided in two parts, 3 and 85155, that added together give a palindrome (85158).

The spelling of 385155 in words is "three hundred eighty-five thousand, one hundred fifty-five".