4406605 has 16 divisors (see below), whose sum is σ = 6094080. Its totient is φ = 2996352.

The previous prime is 4406599. The next prime is 4406627. The reversal of 4406605 is 5066044.

It is a happy number.

It is a 4-Lehmer number, since φ(4406605) divides (4406605-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 4406605 - 2⁵ = 4406573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4406605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4336 + ... + 5254.

It is an arithmetic number, because the mean of its divisors is an integer number (380880).

Almost surely, 2^4406605 is an apocalyptic number.

It is an amenable number.

4406605 is a deficient number, since it is larger than the sum of its proper divisors (1687475).

4406605 is a wasteful number, since it uses less digits than its factorization.

4406605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 4406605 is about 2099.1915110347. The cubic root of 4406605 is about 163.9462073230.

The spelling of 4406605 in words is "four million, four hundred six thousand, six hundred five".