4409985 has 8 divisors (see below), whose sum is σ = 7056000. Its totient is φ = 2351984.

The previous prime is 4409981. The next prime is 4410019. The reversal of 4409985 is 5899044.

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 4409985 - 2² = 4409981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4409981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146985 + ... + 147014.

It is an arithmetic number, because the mean of its divisors is an integer number (882000).

Almost surely, 2^4409985 is an apocalyptic number.

It is an amenable number.

4409985 is a deficient number, since it is larger than the sum of its proper divisors (2646015).

4409985 is a wasteful number, since it uses less digits than its factorization.

4409985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294007.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 4409985 is about 2099.9964285684. The cubic root of 4409985 is about 163.9881138520.

The spelling of 4409985 in words is "four million, four hundred nine thousand, nine hundred eighty-five".