4406443 has 8 divisors (see below), whose sum is σ = 4492800. Its totient is φ = 4321128.

The previous prime is 4406431. The next prime is 4406449. The reversal of 4406443 is 3446044.

It is a happy number.

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 4406443 - 2⁵ = 4406411 is a prime.

It is an Ulam number.

It is a Duffinian number.

4406443 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4406449) 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, 18318 + ... + 18556.

It is an arithmetic number, because the mean of its divisors is an integer number (561600).

Almost surely, 2^4406443 is an apocalyptic number.

4406443 is a deficient number, since it is larger than the sum of its proper divisors (86357).

4406443 is a wasteful number, since it uses less digits than its factorization.

4406443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4406443 is about 2099.1529243959. The cubic root of 4406443 is about 163.9441982472.

The spelling of 4406443 in words is "four million, four hundred six thousand, four hundred forty-three".