4437985 has 8 divisors (see below), whose sum is σ = 5385960. Its totient is φ = 3510144.

The previous prime is 4437977. The next prime is 4437989. The reversal of 4437985 is 5897344.

It can be written as a sum of positive squares in 4 ways, for example, as 15376 + 4422609 = 124^2 + 2103^2 .

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 4437985 - 2³ = 4437977 is a prime.

4437985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4437989) 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, 4542 + ... + 5431.

It is an arithmetic number, because the mean of its divisors is an integer number (673245).

Almost surely, 2^4437985 is an apocalyptic number.

It is an amenable number.

4437985 is a deficient number, since it is larger than the sum of its proper divisors (947975).

4437985 is an equidigital number, since it uses as much as digits as its factorization.

4437985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10067.

The product of its digits is 120960, while the sum is 40.

The square root of 4437985 is about 2106.6525579696. The cubic root of 4437985 is about 164.3344478701.

The spelling of 4437985 in words is "four million, four hundred thirty-seven thousand, nine hundred eighty-five".