4161409 has 16 divisors (see below), whose sum is σ = 4980736. Its totient is φ = 3402000.

The previous prime is 4161407. The next prime is 4161419. The reversal of 4161409 is 9041614.

It is not a de Polignac number, because 4161409 - 2¹ = 4161407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4161407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27484 + ... + 27634.

It is an arithmetic number, because the mean of its divisors is an integer number (311296).

Almost surely, 2^4161409 is an apocalyptic number.

It is an amenable number.

4161409 is a deficient number, since it is larger than the sum of its proper divisors (819327).

4161409 is a wasteful number, since it uses less digits than its factorization.

4161409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 4161409 is about 2039.9531857374. The cubic root of 4161409 is about 160.8471859946.

The spelling of 4161409 in words is "four million, one hundred sixty-one thousand, four hundred nine".