8340081 has 16 divisors (see below), whose sum is σ = 12182400. Its totient is φ = 5051648.

The previous prime is 8340071. The next prime is 8340091. The reversal of 8340081 is 1800438.

It is an interprime number because it is at equal distance from previous prime (8340071) and next prime (8340091).

It is a cyclic number.

It is not a de Polignac number, because 8340081 - 2⁵ = 8340049 is a prime.

It is a super-2 number, since 2×8340081² = 139113902173122, which contains 22 as substring.

It is a Curzon number.

8340081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8340041) 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 15 ways as a sum of consecutive naturals, for example, 1341 + ... + 4298.

It is an arithmetic number, because the mean of its divisors is an integer number (761400).

Almost surely, 2^8340081 is an apocalyptic number.

It is an amenable number.

8340081 is a deficient number, since it is larger than the sum of its proper divisors (3842319).

8340081 is a wasteful number, since it uses less digits than its factorization.

8340081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5688.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 8340081 is about 2887.9198396077. The cubic root of 8340081 is about 202.7947726518.

The spelling of 8340081 in words is "eight million, three hundred forty thousand, eighty-one".