8408065 has 16 divisors (see below), whose sum is σ = 10593792. Its totient is φ = 6398784.

The previous prime is 8408053. The next prime is 8408069. The reversal of 8408065 is 5608048.

It is a 3-Lehmer number, since φ(8408065) divides (8408065-1)³.

It is a cyclic number.

It is not a de Polignac number, because 8408065 - 2¹³ = 8399873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8408069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8212 + ... + 9178.

It is an arithmetic number, because the mean of its divisors is an integer number (662112).

Almost surely, 2^8408065 is an apocalyptic number.

It is an amenable number.

8408065 is a deficient number, since it is larger than the sum of its proper divisors (2185727).

8408065 is a wasteful number, since it uses less digits than its factorization.

8408065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 8408065 is about 2899.6663601180. Note that the first 3 decimals coincide. The cubic root of 8408065 is about 203.3443079866.

The spelling of 8408065 in words is "eight million, four hundred eight thousand, sixty-five".