6427863 has 16 divisors (see below), whose sum is σ = 10255840. Its totient is φ = 3955392.

The previous prime is 6427831. The next prime is 6427891. The reversal of 6427863 is 3687246.

6427863 is a `hidden beast` number, since 642 + 7 + 8 + 6 + 3 = 666.

6427863 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 6427863 - 2⁵ = 6427831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6427963) 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 15 ways as a sum of consecutive naturals, for example, 8806 + ... + 9507.

It is an arithmetic number, because the mean of its divisors is an integer number (640990).

Almost surely, 2^6427863 is an apocalyptic number.

6427863 is a deficient number, since it is larger than the sum of its proper divisors (3827977).

6427863 is a wasteful number, since it uses less digits than its factorization.

6427863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18335 (or 18329 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 6427863 is about 2535.3230563382. The cubic root of 6427863 is about 185.9325978464.

The spelling of 6427863 in words is "six million, four hundred twenty-seven thousand, eight hundred sixty-three".