4399169 has 2 divisors, whose sum is σ = 4399170. Its totient is φ = 4399168.

The previous prime is 4399163. The next prime is 4399193. The reversal of 4399169 is 9619934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3659569 + 739600 = 1913^2 + 860^2 .

It is a cyclic number.

It is not a de Polignac number, because 4399169 - 2¹⁶ = 4333633 is a prime.

It is a super-2 number, since 2×4399169² = 38705375781122, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4399163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2199584 + 2199585.

It is an arithmetic number, because the mean of its divisors is an integer number (2199585).

Almost surely, 2^4399169 is an apocalyptic number.

It is an amenable number.

4399169 is a deficient number, since it is larger than the sum of its proper divisors (1).

4399169 is an equidigital number, since it uses as much as digits as its factorization.

4399169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 41.

The square root of 4399169 is about 2097.4196051339. The cubic root of 4399169 is about 163.8539374710.

The spelling of 4399169 in words is "four million, three hundred ninety-nine thousand, one hundred sixty-nine".