6986863 has 8 divisors (see below), whose sum is σ = 7581168. Its totient is φ = 6400704.

The previous prime is 6986849. The next prime is 6986869. The reversal of 6986863 is 3686896.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6986863 - 2²¹ = 4889711 is a prime.

It is a Duffinian number.

6986863 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6986869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181 + ... + 3742.

It is an arithmetic number, because the mean of its divisors is an integer number (947646).

Almost surely, 2^6986863 is an apocalyptic number.

6986863 is a deficient number, since it is larger than the sum of its proper divisors (594305).

6986863 is a wasteful number, since it uses less digits than its factorization.

6986863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073.

The product of its digits is 373248, while the sum is 46.

The square root of 6986863 is about 2643.2674855186. The cubic root of 6986863 is about 191.1733758292.

The spelling of 6986863 in words is "six million, nine hundred eighty-six thousand, eight hundred sixty-three".