6984863 has 4 divisors (see below), whose sum is σ = 7021248. Its totient is φ = 6948480.

The previous prime is 6984797. The next prime is 6984881. The reversal of 6984863 is 3684896.

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 6984863 - 2¹⁶ = 6919327 is a prime.

It is a super-2 number, since 2×6984863² = 97576622257538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6984163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17903 + ... + 18288.

It is an arithmetic number, because the mean of its divisors is an integer number (1755312).

Almost surely, 2^6984863 is an apocalyptic number.

6984863 is a deficient number, since it is larger than the sum of its proper divisors (36385).

6984863 is a wasteful number, since it uses less digits than its factorization.

6984863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36384.

The product of its digits is 248832, while the sum is 44.

The square root of 6984863 is about 2642.8891388025. The cubic root of 6984863 is about 191.1551328667.

The spelling of 6984863 in words is "six million, nine hundred eighty-four thousand, eight hundred sixty-three".