385856 has 14 divisors (see below), whose sum is σ = 765810. Its totient is φ = 192896.

The previous prime is 385843. The next prime is 385859. The reversal of 385856 is 658583.

It can be written as a sum of positive squares in only one way, i.e., 379456 + 6400 = 616^2 + 80^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385859) by changing a digit.

385856 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2951 + ... + 3078.

2³⁸⁵⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

385856 is a deficient number, since it is larger than the sum of its proper divisors (379954).

385856 is an equidigital number, since it uses as much as digits as its factorization.

385856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6041 (or 6031 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 385856 is about 621.1730837697. The cubic root of 385856 is about 72.8017388789.

The spelling of 385856 in words is "three hundred eighty-five thousand, eight hundred fifty-six".