6978843 has 12 divisors (see below), whose sum is σ = 10105368. Its totient is φ = 4641120.

The previous prime is 6978841. The next prime is 6978869. The reversal of 6978843 is 3488796.

It is a happy number.

It is not a de Polignac number, because 6978843 - 2¹ = 6978841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6978841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4623 + ... + 5943.

It is an arithmetic number, because the mean of its divisors is an integer number (842114).

Almost surely, 2^6978843 is an apocalyptic number.

6978843 is a deficient number, since it is larger than the sum of its proper divisors (3126525).

6978843 is a wasteful number, since it uses less digits than its factorization.

6978843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914 (or 1911 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 6978843 is about 2641.7499881707. The cubic root of 6978843 is about 191.1002005244.

The spelling of 6978843 in words is "six million, nine hundred seventy-eight thousand, eight hundred forty-three".