8004189 has 4 divisors (see below), whose sum is σ = 10672256. Its totient is φ = 5336124.

The previous prime is 8004181. The next prime is 8004193. The reversal of 8004189 is 9814008.

It is a happy number.

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 not a de Polignac number, because 8004189 - 2³ = 8004181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8004181) 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, 1334029 + ... + 1334034.

It is an arithmetic number, because the mean of its divisors is an integer number (2668064).

Almost surely, 2^8004189 is an apocalyptic number.

It is an amenable number.

8004189 is a deficient number, since it is larger than the sum of its proper divisors (2668067).

8004189 is a wasteful number, since it uses less digits than its factorization.

8004189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668066.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 8004189 is about 2829.1675454098. The cubic root of 8004189 is about 200.0349022421.

The spelling of 8004189 in words is "eight million, four thousand, one hundred eighty-nine".