4509885 has 16 divisors (see below), whose sum is σ = 7370496. Its totient is φ = 2353728.

The previous prime is 4509881. The next prime is 4509887. The reversal of 4509885 is 5889054.

It is not a de Polignac number, because 4509885 - 2² = 4509881 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4509881) 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 15 ways as a sum of consecutive naturals, for example, 2494 + ... + 3903.

It is an arithmetic number, because the mean of its divisors is an integer number (460656).

Almost surely, 2^4509885 is an apocalyptic number.

It is an amenable number.

4509885 is a deficient number, since it is larger than the sum of its proper divisors (2860611).

4509885 is a wasteful number, since it uses less digits than its factorization.

4509885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6452.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 4509885 is about 2123.6489822944. The cubic root of 4509885 is about 165.2171612617.

The spelling of 4509885 in words is "four million, five hundred nine thousand, eight hundred eighty-five".