4406165 has 4 divisors (see below), whose sum is σ = 5287404. Its totient is φ = 3524928.

The previous prime is 4406159. The next prime is 4406177. The reversal of 4406165 is 5616044.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2910436 + 1495729 = 1706^2 + 1223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4406165 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440612 + ... + 440621.

It is an arithmetic number, because the mean of its divisors is an integer number (1321851).

Almost surely, 2^4406165 is an apocalyptic number.

It is an amenable number.

4406165 is a deficient number, since it is larger than the sum of its proper divisors (881239).

4406165 is an equidigital number, since it uses as much as digits as its factorization.

4406165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881238.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 4406165 is about 2099.0867061653. The cubic root of 4406165 is about 163.9407504590.

The spelling of 4406165 in words is "four million, four hundred six thousand, one hundred sixty-five".