8040947 has 2 divisors, whose sum is σ = 8040948. Its totient is φ = 8040946.

The previous prime is 8040937. The next prime is 8041003. The reversal of 8040947 is 7490408.

It is a happy number.

8040947 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8040947 - 2⁴ = 8040931 is a prime.

It is not a weakly prime, because it can be changed into another prime (8040937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4020473 + 4020474.

It is an arithmetic number, because the mean of its divisors is an integer number (4020474).

Almost surely, 2^8040947 is an apocalyptic number.

8040947 is a deficient number, since it is larger than the sum of its proper divisors (1).

8040947 is an equidigital number, since it uses as much as digits as its factorization.

8040947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 8040947 is about 2835.6563614091. The cubic root of 8040947 is about 200.3406444773.

The spelling of 8040947 in words is "eight million, forty thousand, nine hundred forty-seven".