8413809 has 8 divisors (see below), whose sum is σ = 11299680. Its totient is φ = 5568576.

The previous prime is 8413807. The next prime is 8413829. The reversal of 8413809 is 9083148.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8413809 - 2¹ = 8413807 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8413809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8413807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9672 + ... + 10505.

It is an arithmetic number, because the mean of its divisors is an integer number (1412460).

Almost surely, 2^8413809 is an apocalyptic number.

It is an amenable number.

8413809 is a deficient number, since it is larger than the sum of its proper divisors (2885871).

8413809 is a wasteful number, since it uses less digits than its factorization.

8413809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20319.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 8413809 is about 2900.6566497950. The cubic root of 8413809 is about 203.3906025791.

The spelling of 8413809 in words is "eight million, four hundred thirteen thousand, eight hundred nine".