4469985 has 48 divisors (see below), whose sum is σ = 8683584. Its totient is φ = 2192832.

The previous prime is 4469977. The next prime is 4469987. The reversal of 4469985 is 5899644.

It is a happy number.

It is not a de Polignac number, because 4469985 - 2³ = 4469977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4469985.

It is not an unprimeable number, because it can be changed into a prime (4469987) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15654 + ... + 15936.

It is an arithmetic number, because the mean of its divisors is an integer number (180908).

Almost surely, 2^4469985 is an apocalyptic number.

4469985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4469985 is a deficient number, since it is larger than the sum of its proper divisors (4213599).

4469985 is a wasteful number, since it uses less digits than its factorization.

4469985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 304 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 4469985 is about 2114.2339038053. The cubic root of 4469985 is about 164.7284790551.

The spelling of 4469985 in words is "four million, four hundred sixty-nine thousand, nine hundred eighty-five".