385863 has 4 divisors (see below), whose sum is σ = 514488. Its totient is φ = 257240.

The previous prime is 385859. The next prime is 385877. The reversal of 385863 is 368583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368583 = 3 ⋅122861.

It is a cyclic number.

It is not a de Polignac number, because 385863 - 2² = 385859 is a prime.

It is a D-number.

385863 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385843) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 64308 + ... + 64313.

It is an arithmetic number, because the mean of its divisors is an integer number (128622).

2³⁸⁵⁸⁶³ is an apocalyptic number.

385863 is a deficient number, since it is larger than the sum of its proper divisors (128625).

385863 is a wasteful number, since it uses less digits than its factorization.

385863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128624.

The product of its digits is 17280, while the sum is 33.

The square root of 385863 is about 621.1787182446. The cubic root of 385863 is about 72.8021791201.

The spelling of 385863 in words is "three hundred eighty-five thousand, eight hundred sixty-three".