385564 has 12 divisors (see below), whose sum is σ = 691488. Its totient is φ = 188000.

The previous prime is 385559. The next prime is 385571. The reversal of 385564 is 465583.

385564 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012 + ... + 1339.

It is an arithmetic number, because the mean of its divisors is an integer number (57624).

2³⁸⁵⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

385564 is a deficient number, since it is larger than the sum of its proper divisors (305924).

385564 is a wasteful number, since it uses less digits than its factorization.

385564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396 (or 2394 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 385564 is about 620.9380001256. The cubic root of 385564 is about 72.7833697875.

It can be divided in two parts, 385 and 564, that added together give a palindrome (949).

The spelling of 385564 in words is "three hundred eighty-five thousand, five hundred sixty-four".