6979842 has 24 divisors (see below), whose sum is σ = 15195180. Its totient is φ = 2315520.

The previous prime is 6979831. The next prime is 6979853. The reversal of 6979842 is 2489796.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6979831) and next prime (6979853).

It can be written as a sum of positive squares in 2 ways, for example, as 5659641 + 1320201 = 2379^2 + 1149^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3534 + ... + 5142.

Almost surely, 2^6979842 is an apocalyptic number.

6979842 is an abundant number, since it is smaller than the sum of its proper divisors (8215338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6979842 is a wasteful number, since it uses less digits than its factorization.

6979842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858 (or 1855 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 6979842 is about 2641.9390606144. The cubic root of 6979842 is about 191.1093185588.

The spelling of 6979842 in words is "six million, nine hundred seventy-nine thousand, eight hundred forty-two".