6805899 has 12 divisors (see below), whose sum is σ = 10409256. Its totient is φ = 4270272.

The previous prime is 6805879. The next prime is 6805913. The reversal of 6805899 is 9985086.

6805899 is a `hidden beast` number, since 68 + 0 + 589 + 9 = 666.

6805899 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6805899 - 2¹¹ = 6803851 is a prime.

It is a super-2 number, since 2×6805899² = 92640522396402, which contains 22 as substring.

6805899 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6805829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22089 + ... + 22394.

It is an arithmetic number, because the mean of its divisors is an integer number (867438).

Almost surely, 2^6805899 is an apocalyptic number.

6805899 is a deficient number, since it is larger than the sum of its proper divisors (3603357).

6805899 is a wasteful number, since it uses less digits than its factorization.

6805899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44506 (or 44503 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 6805899 is about 2608.8117985014. The cubic root of 6805899 is about 189.5084152829.

The spelling of 6805899 in words is "six million, eight hundred five thousand, eight hundred ninety-nine".