4409745 has 8 divisors (see below), whose sum is σ = 7055616. Its totient is φ = 2351856.

The previous prime is 4409737. The next prime is 4409747. The reversal of 4409745 is 5479044.

It is a happy number.

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

It is not a de Polignac number, because 4409745 - 2³ = 4409737 is a prime.

It is a Curzon number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4409747) 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, 146977 + ... + 147006.

It is an arithmetic number, because the mean of its divisors is an integer number (881952).

Almost surely, 2^4409745 is an apocalyptic number.

It is an amenable number.

4409745 is a deficient number, since it is larger than the sum of its proper divisors (2645871).

4409745 is a wasteful number, since it uses less digits than its factorization.

4409745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293991.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 4409745 is about 2099.9392848366. The cubic root of 4409745 is about 163.9851389469.

The spelling of 4409745 in words is "four million, four hundred nine thousand, seven hundred forty-five".