4445001 has 24 divisors (see below), whose sum is σ = 7132320. Its totient is φ = 2644800.

The previous prime is 4444991. The next prime is 4445017. The reversal of 4445001 is 1005444.

It is not a de Polignac number, because 4445001 - 2⁵ = 4444969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4445201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5461 + ... + 6221.

It is an arithmetic number, because the mean of its divisors is an integer number (297180).

Almost surely, 2^4445001 is an apocalyptic number.

It is an amenable number.

4445001 is a deficient number, since it is larger than the sum of its proper divisors (2687319).

4445001 is a wasteful number, since it uses less digits than its factorization.

4445001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4445001 is about 2108.3171013868. The cubic root of 4445001 is about 164.4210009224.

It can be divided in two parts, 444 and 5001, that added together give a palindrome (5445).

The spelling of 4445001 in words is "four million, four hundred forty-five thousand, one".