4399171 has 6 divisors (see below), whose sum is σ = 5117460. Its totient is φ = 3770676.

The previous prime is 4399169. The next prime is 4399193. The reversal of 4399171 is 1719934.

It is not a de Polignac number, because 4399171 - 2¹ = 4399169 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4399471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44841 + ... + 44938.

It is an arithmetic number, because the mean of its divisors is an integer number (852910).

Almost surely, 2^4399171 is an apocalyptic number.

4399171 is a deficient number, since it is larger than the sum of its proper divisors (718289).

4399171 is an equidigital number, since it uses as much as digits as its factorization.

4399171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89793 (or 89786 counting only the distinct ones).

The product of its digits is 6804, while the sum is 34.

The square root of 4399171 is about 2097.4200819102. The cubic root of 4399171 is about 163.8539623020.

The spelling of 4399171 in words is "four million, three hundred ninety-nine thousand, one hundred seventy-one".