6879442 has 8 divisors (see below), whose sum is σ = 10356732. Its totient is φ = 3427200.

The previous prime is 6879421. The next prime is 6879443. The reversal of 6879442 is 2449786.

It can be written as a sum of positive squares in 2 ways, for example, as 6869641 + 9801 = 2621^2 + 99^2 .

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

It is a d-powerful number, because it can be written as 6 + 8³ + 7⁸ + 9 + 4⁸ + 4¹⁰ + 2 .

It is a junction number, because it is equal to n+sod(n) for n = 6879395 and 6879404.

It is not an unprimeable number, because it can be changed into a prime (6879443) 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, 5559 + ... + 6682.

Almost surely, 2^6879442 is an apocalyptic number.

6879442 is a deficient number, since it is larger than the sum of its proper divisors (3477290).

6879442 is a wasteful number, since it uses less digits than its factorization.

6879442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12524.

The product of its digits is 96768, while the sum is 40.

The square root of 6879442 is about 2622.8690398112. The cubic root of 6879442 is about 190.1885662574.

The spelling of 6879442 in words is "six million, eight hundred seventy-nine thousand, four hundred forty-two".