6698199 has 8 divisors (see below), whose sum is σ = 8947840. Its totient is φ = 4457016.

The previous prime is 6698189. The next prime is 6698207. The reversal of 6698199 is 9918966.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6698199 - 2⁷ = 6698071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6698149) 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 in 7 ways as a sum of consecutive naturals, for example, 54 + ... + 3660.

It is an arithmetic number, because the mean of its divisors is an integer number (1118480).

Almost surely, 2^6698199 is an apocalyptic number.

6698199 is a deficient number, since it is larger than the sum of its proper divisors (2249641).

6698199 is a wasteful number, since it uses less digits than its factorization.

6698199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229.

The product of its digits is 209952, while the sum is 48.

The square root of 6698199 is about 2588.0879042258. The cubic root of 6698199 is about 188.5034697886.

The spelling of 6698199 in words is "six million, six hundred ninety-eight thousand, one hundred ninety-nine".