6799399 has 8 divisors (see below), whose sum is σ = 6999552. Its totient is φ = 6600960.

The previous prime is 6799391. The next prime is 6799433. The reversal of 6799399 is 9939976.

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

It is a cyclic number.

It is not a de Polignac number, because 6799399 - 2³ = 6799391 is a prime.

It is a super-2 number, since 2×6799399² = 92463653522402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6799391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15487 + ... + 15919.

It is an arithmetic number, because the mean of its divisors is an integer number (874944).

Almost surely, 2^6799399 is an apocalyptic number.

6799399 is a deficient number, since it is larger than the sum of its proper divisors (200153).

6799399 is a wasteful number, since it uses less digits than its factorization.

6799399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857.

The product of its digits is 826686, while the sum is 52.

The square root of 6799399 is about 2607.5657230452. The cubic root of 6799399 is about 189.4480658197.

The spelling of 6799399 in words is "six million, seven hundred ninety-nine thousand, three hundred ninety-nine".