6884642 has 8 divisors (see below), whose sum is σ = 10339500. Its totient is φ = 3438144.

The previous prime is 6884641. The next prime is 6884653. The reversal of 6884642 is 2464886.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5470921 + 1413721 = 2339^2 + 1189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6884596 and 6884605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6884641) 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, 734 + ... + 3782.

Almost surely, 2^6884642 is an apocalyptic number.

6884642 is a deficient number, since it is larger than the sum of its proper divisors (3454858).

6884642 is a wasteful number, since it uses less digits than its factorization.

6884642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180.

The product of its digits is 73728, while the sum is 38.

The square root of 6884642 is about 2623.8601334675. The cubic root of 6884642 is about 190.2364737992.

The spelling of 6884642 in words is "six million, eight hundred eighty-four thousand, six hundred forty-two".