4420985 has 8 divisors (see below), whose sum is σ = 5321160. Its totient is φ = 3526144.

The previous prime is 4420903. The next prime is 4420987. The reversal of 4420985 is 5890244.

It can be written as a sum of positive squares in 4 ways, for example, as 692224 + 3728761 = 832^2 + 1931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4420985 - 2⁸ = 4420729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4420987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 809 + ... + 3081.

It is an arithmetic number, because the mean of its divisors is an integer number (665145).

Almost surely, 2^4420985 is an apocalyptic number.

It is an amenable number.

4420985 is a deficient number, since it is larger than the sum of its proper divisors (900175).

4420985 is a wasteful number, since it uses less digits than its factorization.

4420985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 4420985 is about 2102.6138494740. The cubic root of 4420985 is about 164.1243479894.

The spelling of 4420985 in words is "four million, four hundred twenty thousand, nine hundred eighty-five".