4428005 has 8 divisors (see below), whose sum is σ = 5346432. Its totient is φ = 3520528.

The previous prime is 4428001. The next prime is 4428013. The reversal of 4428005 is 5008244.

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 4428005 - 2² = 4428001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4428001) 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, 1817 + ... + 3486.

It is an arithmetic number, because the mean of its divisors is an integer number (668304).

Almost surely, 2^4428005 is an apocalyptic number.

It is an amenable number.

4428005 is a deficient number, since it is larger than the sum of its proper divisors (918427).

4428005 is a wasteful number, since it uses less digits than its factorization.

4428005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 4428005 is about 2104.2825380637. The cubic root of 4428005 is about 164.2111720518.

The spelling of 4428005 in words is "four million, four hundred twenty-eight thousand, five".