6978606 has 16 divisors (see below), whose sum is σ = 13987200. Its totient is φ = 2321208.

The previous prime is 6978593. The next prime is 6978613. The reversal of 6978606 is 6068796.

It is a happy number.

It is an Ulam number.

It is a Curzon number.

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, 2775 + ... + 4653.

It is an arithmetic number, because the mean of its divisors is an integer number (874200).

Almost surely, 2^6978606 is an apocalyptic number.

6978606 is an abundant number, since it is smaller than the sum of its proper divisors (7008594).

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

6978606 is a wasteful number, since it uses less digits than its factorization.

6978606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 6978606 is about 2641.7051311606. The cubic root of 6978606 is about 191.0980372594.

The spelling of 6978606 in words is "six million, nine hundred seventy-eight thousand, six hundred six".