4409009 has 8 divisors (see below), whose sum is σ = 4830528. Its totient is φ = 3990960.

The previous prime is 4409003. The next prime is 4409033. The reversal of 4409009 is 9009044.

4409009 = T₂₁ + T₂₂ + ... + T₂₉₇.

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 4409009 - 2⁴ = 4408993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4409003) 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, 2324 + ... + 3770.

It is an arithmetic number, because the mean of its divisors is an integer number (603816).

Almost surely, 2^4409009 is an apocalyptic number.

It is an amenable number.

4409009 is a deficient number, since it is larger than the sum of its proper divisors (421519).

4409009 is a wasteful number, since it uses less digits than its factorization.

4409009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 4409009 is about 2099.7640343620. The cubic root of 4409009 is about 163.9760152313.

It can be divided in two parts, 440 and 9009, that added together give a palindrome (9449).

The spelling of 4409009 in words is "four million, four hundred nine thousand, nine".