385563 has 4 divisors (see below), whose sum is σ = 514088. Its totient is φ = 257040.

The previous prime is 385559. The next prime is 385571. The reversal of 385563 is 365583.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 385563 - 2² = 385559 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 385563.

It is not an unprimeable number, because it can be changed into a prime (385573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64258 + ... + 64263.

It is an arithmetic number, because the mean of its divisors is an integer number (128522).

2³⁸⁵⁵⁶³ is an apocalyptic number.

385563 is a deficient number, since it is larger than the sum of its proper divisors (128525).

385563 is a wasteful number, since it uses less digits than its factorization.

385563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128524.

The product of its digits is 10800, while the sum is 30.

The square root of 385563 is about 620.9371948917. The cubic root of 385563 is about 72.7833068637.

The spelling of 385563 in words is "three hundred eighty-five thousand, five hundred sixty-three".