6827993 has 2 divisors, whose sum is σ = 6827994. Its totient is φ = 6827992.

The previous prime is 6827983. The next prime is 6828023. The reversal of 6827993 is 3997286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6692569 + 135424 = 2587^2 + 368^2 .

It is a cyclic number.

It is not a de Polignac number, because 6827993 - 2¹⁰ = 6826969 is a prime.

It is not a weakly prime, because it can be changed into another prime (6827923) 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, 3413996 + 3413997.

It is an arithmetic number, because the mean of its divisors is an integer number (3413997).

Almost surely, 2^6827993 is an apocalyptic number.

It is an amenable number.

6827993 is a deficient number, since it is larger than the sum of its proper divisors (1).

6827993 is an equidigital number, since it uses as much as digits as its factorization.

6827993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 44.

The square root of 6827993 is about 2613.0428622585. The cubic root of 6827993 is about 189.7132609287.

The spelling of 6827993 in words is "six million, eight hundred twenty-seven thousand, nine hundred ninety-three".