8394005 has 24 divisors (see below), whose sum is σ = 11059368. Its totient is φ = 6110208.

The previous prime is 8393999. The next prime is 8394013. The reversal of 8394005 is 5004938.

It can be written as a sum of positive squares in 12 ways, for example, as 18769 + 8375236 = 137^2 + 2894^2 .

It is not a de Polignac number, because 8394005 - 2⁶ = 8393941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53387 + ... + 53543.

It is an arithmetic number, because the mean of its divisors is an integer number (460807).

Almost surely, 2^8394005 is an apocalyptic number.

8394005 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8394005 is a deficient number, since it is larger than the sum of its proper divisors (2665363).

8394005 is a wasteful number, since it uses less digits than its factorization.

8394005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 8394005 is about 2897.2409288839. The cubic root of 8394005 is about 203.2309003605.

The spelling of 8394005 in words is "eight million, three hundred ninety-four thousand, five".