4556385 has 16 divisors (see below), whose sum is σ = 8100480. Its totient is φ = 2430000.

The previous prime is 4556351. The next prime is 4556389. The reversal of 4556385 is 5836554.

It is not a de Polignac number, because 4556385 - 2¹¹ = 4554337 is a prime.

It is a Curzon number.

4556385 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4556389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16741 + ... + 17010.

It is an arithmetic number, because the mean of its divisors is an integer number (506280).

Almost surely, 2^4556385 is an apocalyptic number.

4556385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4556385 is a deficient number, since it is larger than the sum of its proper divisors (3544095).

4556385 is a wasteful number, since it uses less digits than its factorization.

4556385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33765 (or 33759 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 4556385 is about 2134.5690431560. The cubic root of 4556385 is about 165.7830547700.

The spelling of 4556385 in words is "four million, five hundred fifty-six thousand, three hundred eighty-five".