6286879 has 4 divisors (see below), whose sum is σ = 6294640. Its totient is φ = 6279120.

The previous prime is 6286877. The next prime is 6286883. The reversal of 6286879 is 9786826.

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

It is a cyclic number.

It is not a de Polignac number, because 6286879 - 2¹ = 6286877 is a prime.

It is a Duffinian number.

6286879 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6286873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502 + ... + 4339.

It is an arithmetic number, because the mean of its divisors is an integer number (1573660).

Almost surely, 2^6286879 is an apocalyptic number.

6286879 is a deficient number, since it is larger than the sum of its proper divisors (7761).

6286879 is an equidigital number, since it uses as much as digits as its factorization.

6286879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7760.

The product of its digits is 290304, while the sum is 46.

The square root of 6286879 is about 2507.3649514979. The cubic root of 6286879 is about 184.5631670473.

The spelling of 6286879 in words is "six million, two hundred eighty-six thousand, eight hundred seventy-nine".