6599849 has 4 divisors (see below), whose sum is σ = 6827460. Its totient is φ = 6372240.

The previous prime is 6599839. The next prime is 6599861. The reversal of 6599849 is 9489956.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4141225 + 2458624 = 2035^2 + 1568^2 .

It is a cyclic number.

It is not a de Polignac number, because 6599849 - 2⁴ = 6599833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6599797 and 6599806.

It is not an unprimeable number, because it can be changed into a prime (6599819) 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 3 ways as a sum of consecutive naturals, for example, 113762 + ... + 113819.

It is an arithmetic number, because the mean of its divisors is an integer number (1706865).

Almost surely, 2^6599849 is an apocalyptic number.

It is an amenable number.

6599849 is a deficient number, since it is larger than the sum of its proper divisors (227611).

6599849 is a wasteful number, since it uses less digits than its factorization.

6599849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227610.

The product of its digits is 699840, while the sum is 50.

The square root of 6599849 is about 2569.0171272298. The cubic root of 6599849 is about 187.5763150086.

The spelling of 6599849 in words is "six million, five hundred ninety-nine thousand, eight hundred forty-nine".