4471985 has 12 divisors (see below), whose sum is σ = 6242868. Its totient is φ = 3066336.

The previous prime is 4471979. The next prime is 4471997. The reversal of 4471985 is 5891744.

It can be written as a sum of positive squares in 2 ways, for example, as 519841 + 3952144 = 721^2 + 1988^2 .

It is not a de Polignac number, because 4471985 - 2⁶ = 4471921 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8882 + ... + 9371.

It is an arithmetic number, because the mean of its divisors is an integer number (520239).

Almost surely, 2^4471985 is an apocalyptic number.

It is an amenable number.

4471985 is a deficient number, since it is larger than the sum of its proper divisors (1770883).

4471985 is a wasteful number, since it uses less digits than its factorization.

4471985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18272 (or 18265 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 4471985 is about 2114.7068354739. The cubic root of 4471985 is about 164.7530434801.

The spelling of 4471985 in words is "four million, four hundred seventy-one thousand, nine hundred eighty-five".