6978342 has 16 divisors (see below), whose sum is σ = 15950592. Its totient is φ = 1993800.

The previous prime is 6978319. The next prime is 6978371. The reversal of 6978342 is 2438796.

It is a self number, because there is not a number n which added to its sum of digits gives 6978342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83034 + ... + 83117.

It is an arithmetic number, because the mean of its divisors is an integer number (996912).

Almost surely, 2^6978342 is an apocalyptic number.

6978342 is an abundant number, since it is smaller than the sum of its proper divisors (8972250).

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

6978342 is a wasteful number, since it uses less digits than its factorization.

6978342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166163.

The product of its digits is 72576, while the sum is 39.

The square root of 6978342 is about 2641.6551629613. The cubic root of 6978342 is about 191.0956274888.

The spelling of 6978342 in words is "six million, nine hundred seventy-eight thousand, three hundred forty-two".