6486869 has 2 divisors, whose sum is σ = 6486870. Its totient is φ = 6486868.

The previous prime is 6486841. The next prime is 6486889. The reversal of 6486869 is 9686846.

6486869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4251844 + 2235025 = 2062^2 + 1495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6486869 is a prime.

It is a super-2 number, since 2×6486869² = 84158938846322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6486839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3243434 + 3243435.

It is an arithmetic number, because the mean of its divisors is an integer number (3243435).

Almost surely, 2^6486869 is an apocalyptic number.

It is an amenable number.

6486869 is a deficient number, since it is larger than the sum of its proper divisors (1).

6486869 is an equidigital number, since it uses as much as digits as its factorization.

6486869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 47.

The square root of 6486869 is about 2546.9332539350. The cubic root of 6486869 is about 186.4998023415.

The spelling of 6486869 in words is "six million, four hundred eighty-six thousand, eight hundred sixty-nine".