4159809 has 8 divisors (see below), whose sum is σ = 6162720. Its totient is φ = 2773188.

The previous prime is 4159807. The next prime is 4159843. The reversal of 4159809 is 9089514.

It is not a de Polignac number, because 4159809 - 2¹ = 4159807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4159801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77007 + ... + 77060.

It is an arithmetic number, because the mean of its divisors is an integer number (770340).

Almost surely, 2^4159809 is an apocalyptic number.

It is an amenable number.

4159809 is a deficient number, since it is larger than the sum of its proper divisors (2002911).

4159809 is a wasteful number, since it uses less digits than its factorization.

4159809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154076 (or 154070 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 4159809 is about 2039.5609821724. The cubic root of 4159809 is about 160.8265689001.

The spelling of 4159809 in words is "four million, one hundred fifty-nine thousand, eight hundred nine".