6866463 has 4 divisors (see below), whose sum is σ = 9155288. Its totient is φ = 4577640.

The previous prime is 6866459. The next prime is 6866471. The reversal of 6866463 is 3646686.

6866463 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6866463 - 2² = 6866459 is a prime.

It is a D-number.

It is a Duffinian number.

6866463 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6866413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144408 + ... + 1144413.

It is an arithmetic number, because the mean of its divisors is an integer number (2288822).

Almost surely, 2^6866463 is an apocalyptic number.

6866463 is a deficient number, since it is larger than the sum of its proper divisors (2288825).

6866463 is a wasteful number, since it uses less digits than its factorization.

6866463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288824.

The product of its digits is 124416, while the sum is 39.

The square root of 6866463 is about 2620.3936727141. The cubic root of 6866463 is about 190.0688854562.

The spelling of 6866463 in words is "six million, eight hundred sixty-six thousand, four hundred sixty-three".