6918383 has 2 divisors, whose sum is σ = 6918384. Its totient is φ = 6918382.

The previous prime is 6918361. The next prime is 6918389. The reversal of 6918383 is 3838196.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6918383 - 2⁸ = 6918127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6918389) 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 as a sum of consecutive naturals, namely, 3459191 + 3459192.

It is an arithmetic number, because the mean of its divisors is an integer number (3459192).

Almost surely, 2^6918383 is an apocalyptic number.

6918383 is a deficient number, since it is larger than the sum of its proper divisors (1).

6918383 is an equidigital number, since it uses as much as digits as its factorization.

6918383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 6918383 is about 2630.2819240530. The cubic root of 6918383 is about 190.5467446595.

The spelling of 6918383 in words is "six million, nine hundred eighteen thousand, three hundred eighty-three".