8044405 has 8 divisors (see below), whose sum is σ = 9888984. Its totient is φ = 6278400.

The previous prime is 8044373. The next prime is 8044409. The reversal of 8044405 is 5044408.

8044405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 75076 + 7969329 = 274^2 + 2823^2 .

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

It is not a de Polignac number, because 8044405 - 2⁵ = 8044373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8044405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8044409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19416 + ... + 19825.

It is an arithmetic number, because the mean of its divisors is an integer number (1236123).

Almost surely, 2^8044405 is an apocalyptic number.

It is an amenable number.

8044405 is a deficient number, since it is larger than the sum of its proper divisors (1844579).

8044405 is a wasteful number, since it uses less digits than its factorization.

8044405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39287.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 8044405 is about 2836.2660312460. The cubic root of 8044405 is about 200.3693591160.

The spelling of 8044405 in words is "eight million, forty-four thousand, four hundred five".