6220849 has 2 divisors, whose sum is σ = 6220850. Its totient is φ = 6220848.

The previous prime is 6220831. The next prime is 6220871. The reversal of 6220849 is 9480226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5569600 + 651249 = 2360^2 + 807^2 .

It is a cyclic number.

It is not a de Polignac number, because 6220849 - 2⁵ = 6220817 is a prime.

It is equal to p₄₂₆₉₅₅ and since 6220849 and 426955 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6220849.

It is not a weakly prime, because it can be changed into another prime (6220829) 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 as a sum of consecutive naturals, namely, 3110424 + 3110425.

It is an arithmetic number, because the mean of its divisors is an integer number (3110425).

Almost surely, 2^6220849 is an apocalyptic number.

It is an amenable number.

6220849 is a deficient number, since it is larger than the sum of its proper divisors (1).

6220849 is an equidigital number, since it uses as much as digits as its factorization.

6220849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 6220849 is about 2494.1629858532. The cubic root of 6220849 is about 183.9147466585.

The spelling of 6220849 in words is "six million, two hundred twenty thousand, eight hundred forty-nine".