4506385 has 12 divisors (see below), whose sum is σ = 5856732. Its totient is φ = 3327168.

The previous prime is 4506373. The next prime is 4506389. The reversal of 4506385 is 5836054.

4506385 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 6 ways, for example, as 41616 + 4464769 = 204^2 + 2113^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4506385 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4506389) 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, 1822 + ... + 3511.

It is an arithmetic number, because the mean of its divisors is an integer number (488061).

Almost surely, 2^4506385 is an apocalyptic number.

It is an amenable number.

4506385 is a deficient number, since it is larger than the sum of its proper divisors (1350347).

4506385 is a wasteful number, since it uses less digits than its factorization.

4506385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364 (or 5351 counting only the distinct ones).

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

The square root of 4506385 is about 2122.8247690283. The cubic root of 4506385 is about 165.1744100075.

The spelling of 4506385 in words is "four million, five hundred six thousand, three hundred eighty-five".