385812 has 36 divisors (see below), whose sum is σ = 1115296. Its totient is φ = 110160.

The previous prime is 385811. The next prime is 385817. The reversal of 385812 is 218583.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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 (385811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 514 + ... + 1017.

2³⁸⁵⁸¹² is an apocalyptic number.

It is an amenable number.

385812 is an abundant number, since it is smaller than the sum of its proper divisors (729484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385812 is a wasteful number, since it uses less digits than its factorization.

385812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548 (or 1543 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 385812 is about 621.1376659002. The cubic root of 385812 is about 72.7989715267.

It can be divided in two parts, 38581 and 2, that added together give a palindrome (38583).

The spelling of 385812 in words is "three hundred eighty-five thousand, eight hundred twelve".