6886444 has 12 divisors (see below), whose sum is σ = 12073824. Its totient is φ = 3436784.

The previous prime is 6886441. The next prime is 6886447. The reversal of 6886444 is 4446886.

It is an interprime number because it is at equal distance from previous prime (6886441) and next prime (6886447).

It is a super-2 number, since 2×6886444² = 94846221930272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6886397 and 6886406.

It is not an unprimeable number, because it can be changed into a prime (6886441) 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, 1437 + ... + 3979.

It is an arithmetic number, because the mean of its divisors is an integer number (1006152).

Almost surely, 2^6886444 is an apocalyptic number.

It is an amenable number.

6886444 is a deficient number, since it is larger than the sum of its proper divisors (5187380).

6886444 is a wasteful number, since it uses less digits than its factorization.

6886444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224 (or 3222 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 6886444 is about 2624.2034982066. The cubic root of 6886444 is about 190.2530699767.

The spelling of 6886444 in words is "six million, eight hundred eighty-six thousand, four hundred forty-four".