385256 has 8 divisors (see below), whose sum is σ = 722370. Its totient is φ = 192624.

The previous prime is 385249. The next prime is 385261. The reversal of 385256 is 652583.

385256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 217156 + 168100 = 466^2 + 410^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24071 + ... + 24086.

2³⁸⁵²⁵⁶ is an apocalyptic number.

It is an amenable number.

385256 is a deficient number, since it is larger than the sum of its proper divisors (337114).

385256 is a wasteful number, since it uses less digits than its factorization.

385256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48163 (or 48159 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 385256 is about 620.6899386973. The cubic root of 385256 is about 72.7639841172.

The spelling of 385256 in words is "three hundred eighty-five thousand, two hundred fifty-six".