6985844 has 24 divisors (see below), whose sum is σ = 13628160. Its totient is φ = 3113856.

The previous prime is 6985841. The next prime is 6985871. The reversal of 6985844 is 4485896.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6985795 and 6985804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6985841) 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 7 ways as a sum of consecutive naturals, for example, 1412 + ... + 3995.

It is an arithmetic number, because the mean of its divisors is an integer number (567840).

Almost surely, 2^6985844 is an apocalyptic number.

It is an amenable number.

6985844 is a deficient number, since it is larger than the sum of its proper divisors (6642316).

6985844 is a wasteful number, since it uses less digits than its factorization.

6985844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5447 (or 5445 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 6985844 is about 2643.0747246342. The cubic root of 6985844 is about 191.1640814749.

The spelling of 6985844 in words is "six million, nine hundred eighty-five thousand, eight hundred forty-four".