8684407 has 2 divisors, whose sum is σ = 8684408. Its totient is φ = 8684406.

The previous prime is 8684359. The next prime is 8684411. The reversal of 8684407 is 7044868.

8684407 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8684407 - 2⁷ = 8684279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8684437) by changing a digit.

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 as a sum of consecutive naturals, namely, 4342203 + 4342204.

It is an arithmetic number, because the mean of its divisors is an integer number (4342204).

Almost surely, 2^8684407 is an apocalyptic number.

8684407 is a deficient number, since it is larger than the sum of its proper divisors (1).

8684407 is an equidigital number, since it uses as much as digits as its factorization.

8684407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 8684407 is about 2946.9317942565. The cubic root of 8684407 is about 205.5480634988.

The spelling of 8684407 in words is "eight million, six hundred eighty-four thousand, four hundred seven".