6814387 has 2 divisors, whose sum is σ = 6814388. Its totient is φ = 6814386.

The previous prime is 6814373. The next prime is 6814393. The reversal of 6814387 is 7834186.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6814387 - 2⁷ = 6814259 is a prime.

It is not a weakly prime, because it can be changed into another prime (6814397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3407193 + 3407194.

It is an arithmetic number, because the mean of its divisors is an integer number (3407194).

Almost surely, 2^6814387 is an apocalyptic number.

6814387 is a deficient number, since it is larger than the sum of its proper divisors (1).

6814387 is an equidigital number, since it uses as much as digits as its factorization.

6814387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 37.

The square root of 6814387 is about 2610.4380858392. The cubic root of 6814387 is about 189.5871645753.

The spelling of 6814387 in words is "six million, eight hundred fourteen thousand, three hundred eighty-seven".