4533985 has 16 divisors (see below), whose sum is σ = 5905872. Its totient is φ = 3328000.

The previous prime is 4533979. The next prime is 4534007. The reversal of 4533985 is 5893354.

It can be written as a sum of positive squares in 8 ways, for example, as 1354896 + 3179089 = 1164^2 + 1783^2 .

It is not a de Polignac number, because 4533985 - 2⁵ = 4533953 is a prime.

It is a Duffinian number.

4533985 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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, 2835 + ... + 4135.

It is an arithmetic number, because the mean of its divisors is an integer number (369117).

Almost surely, 2^4533985 is an apocalyptic number.

It is an amenable number.

4533985 is a deficient number, since it is larger than the sum of its proper divisors (1371887).

4533985 is a wasteful number, since it uses less digits than its factorization.

4533985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364.

The product of its digits is 64800, while the sum is 37.

The square root of 4533985 is about 2129.3156177514. The cubic root of 4533985 is about 165.5109353465.

The spelling of 4533985 in words is "four million, five hundred thirty-three thousand, nine hundred eighty-five".