8408045 has 8 divisors (see below), whose sum is σ = 10143096. Its totient is φ = 6690816.

The previous prime is 8408039. The next prime is 8408053. The reversal of 8408045 is 5408048.

It can be written as a sum of positive squares in 4 ways, for example, as 1885129 + 6522916 = 1373^2 + 2554^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8408045 - 2⁶ = 8407981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8407999 and 8408017.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3392 + ... + 5321.

It is an arithmetic number, because the mean of its divisors is an integer number (1267887).

Almost surely, 2^8408045 is an apocalyptic number.

It is an amenable number.

8408045 is a deficient number, since it is larger than the sum of its proper divisors (1735051).

8408045 is a wasteful number, since it uses less digits than its factorization.

8408045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8911.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 8408045 is about 2899.6629114433. The cubic root of 8408045 is about 203.3441467569.

The spelling of 8408045 in words is "eight million, four hundred eight thousand, forty-five".