6879281 has 4 divisors (see below), whose sum is σ = 6884592. Its totient is φ = 6873972.

The previous prime is 6879263. The next prime is 6879307. The reversal of 6879281 is 1829786.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6879281 - 2¹⁴ = 6862897 is a prime.

It is a super-2 number, since 2×6879281² = 94649014153922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6879581) 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 3 ways as a sum of consecutive naturals, for example, 710 + ... + 3776.

It is an arithmetic number, because the mean of its divisors is an integer number (1721148).

Almost surely, 2^6879281 is an apocalyptic number.

It is an amenable number.

6879281 is a deficient number, since it is larger than the sum of its proper divisors (5311).

6879281 is a wasteful number, since it uses less digits than its factorization.

6879281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5310.

The product of its digits is 48384, while the sum is 41.

The square root of 6879281 is about 2622.8383480497. The cubic root of 6879281 is about 190.1870825809.

The spelling of 6879281 in words is "six million, eight hundred seventy-nine thousand, two hundred eighty-one".