6884685 has 12 divisors (see below), whose sum is σ = 11933532. Its totient is φ = 3671808.

The previous prime is 6884681. The next prime is 6884693. The reversal of 6884685 is 5864886.

It can be written as a sum of positive squares in 2 ways, for example, as 2232036 + 4652649 = 1494^2 + 2157^2 .

It is not a de Polignac number, because 6884685 - 2² = 6884681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 152993 = 6884685 / (6 + 8 + 8 + 4 + 6 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 6884685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6884681) 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 11 ways as a sum of consecutive naturals, for example, 76452 + ... + 76541.

It is an arithmetic number, because the mean of its divisors is an integer number (994461).

Almost surely, 2^6884685 is an apocalyptic number.

It is an amenable number.

6884685 is a deficient number, since it is larger than the sum of its proper divisors (5048847).

6884685 is a wasteful number, since it uses less digits than its factorization.

6884685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153004 (or 153001 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 6884685 is about 2623.8683274890. The cubic root of 6884685 is about 190.2368698572.

It can be divided in two parts, 6884 and 685, that added together give a square (7569 = 87²).

The spelling of 6884685 in words is "six million, eight hundred eighty-four thousand, six hundred eighty-five".