6868999 has 2 divisors, whose sum is σ = 6869000. Its totient is φ = 6868998.

The previous prime is 6868991. The next prime is 6869021. The reversal of 6868999 is 9998686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6868999 - 2³ = 6868991 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6868991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3434499 + 3434500.

It is an arithmetic number, because the mean of its divisors is an integer number (3434500).

Almost surely, 2^6868999 is an apocalyptic number.

6868999 is a deficient number, since it is larger than the sum of its proper divisors (1).

6868999 is an equidigital number, since it uses as much as digits as its factorization.

6868999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 55.

The square root of 6868999 is about 2620.8775247997. The cubic root of 6868999 is about 190.0922820416.

The spelling of 6868999 in words is "six million, eight hundred sixty-eight thousand, nine hundred ninety-nine".