8741809 has 4 divisors (see below), whose sum is σ = 8847216. Its totient is φ = 8636404.

The previous prime is 8741801. The next prime is 8741813. The reversal of 8741809 is 9081478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8741809 - 2³ = 8741801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8741801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52579 + ... + 52744.

It is an arithmetic number, because the mean of its divisors is an integer number (2211804).

Almost surely, 2^8741809 is an apocalyptic number.

It is an amenable number.

8741809 is a deficient number, since it is larger than the sum of its proper divisors (105407).

8741809 is a wasteful number, since it uses less digits than its factorization.

8741809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105406.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 8741809 is about 2956.6550356780. The cubic root of 8741809 is about 205.9999450152. Note that the first 4 decimals are identical.

The spelling of 8741809 in words is "eight million, seven hundred forty-one thousand, eight hundred nine".