4408661 has 16 divisors (see below), whose sum is σ = 4935744. Its totient is φ = 3919104.

The previous prime is 4408643. The next prime is 4408681. The reversal of 4408661 is 1668044.

It is a cyclic number.

It is not a de Polignac number, because 4408661 - 2⁶ = 4408597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4408601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26966 + ... + 27128.

It is an arithmetic number, because the mean of its divisors is an integer number (308484).

Almost surely, 2^4408661 is an apocalyptic number.

It is an amenable number.

4408661 is a deficient number, since it is larger than the sum of its proper divisors (527083).

4408661 is a wasteful number, since it uses less digits than its factorization.

4408661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 4408661 is about 2099.6811662726. The cubic root of 4408661 is about 163.9717009470.

The spelling of 4408661 in words is "four million, four hundred eight thousand, six hundred sixty-one".