4163309 has 4 divisors (see below), whose sum is σ = 4241916. Its totient is φ = 4084704.

The previous prime is 4163297. The next prime is 4163329. The reversal of 4163309 is 9033614.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1612900 + 2550409 = 1270^2 + 1597^2 .

It is a cyclic number.

It is not a de Polignac number, because 4163309 - 2¹⁶ = 4097773 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 (4163329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39224 + ... + 39329.

It is an arithmetic number, because the mean of its divisors is an integer number (1060479).

Almost surely, 2^4163309 is an apocalyptic number.

It is an amenable number.

4163309 is a deficient number, since it is larger than the sum of its proper divisors (78607).

4163309 is an equidigital number, since it uses as much as digits as its factorization.

4163309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78606.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 4163309 is about 2040.4188295544. The cubic root of 4163309 is about 160.8716619316.

The spelling of 4163309 in words is "four million, one hundred sixty-three thousand, three hundred nine".