8450005 has 8 divisors (see below), whose sum is σ = 10157400. Its totient is φ = 6748416.

The previous prime is 8449999. The next prime is 8450009. The reversal of 8450005 is 5000548.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3964081 + 4485924 = 1991^2 + 2118^2 .

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 8450005 - 2⁷ = 8449877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8450009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3001 + ... + 5089.

It is an arithmetic number, because the mean of its divisors is an integer number (1269675).

Almost surely, 2^8450005 is an apocalyptic number.

It is an amenable number.

8450005 is a deficient number, since it is larger than the sum of its proper divisors (1707395).

8450005 is a wasteful number, since it uses less digits than its factorization.

8450005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 8450005 is about 2906.8892307757. The cubic root of 8450005 is about 203.6818457987.

The spelling of 8450005 in words is "eight million, four hundred fifty thousand, five".