8404089 has 4 divisors (see below), whose sum is σ = 11205456. Its totient is φ = 5602724.

The previous prime is 8404021. The next prime is 8404111. The reversal of 8404089 is 9804048.

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 8404089 - 2¹¹ = 8402041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8404189) 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, 1400679 + ... + 1400684.

It is an arithmetic number, because the mean of its divisors is an integer number (2801364).

Almost surely, 2^8404089 is an apocalyptic number.

It is an amenable number.

8404089 is a deficient number, since it is larger than the sum of its proper divisors (2801367).

8404089 is a wasteful number, since it uses less digits than its factorization.

8404089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801366.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 8404089 is about 2898.9806829298. The cubic root of 8404089 is about 203.3122504941.

The spelling of 8404089 in words is "eight million, four hundred four thousand, eighty-nine".