6930978 has 16 divisors (see below), whose sum is σ = 13906080. Its totient is φ = 2302976.

The previous prime is 6930977. The next prime is 6931007. The reversal of 6930978 is 8790396.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6930977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418 + ... + 3746.

It is an arithmetic number, because the mean of its divisors is an integer number (869130).

Almost surely, 2^6930978 is an apocalyptic number.

6930978 is an abundant number, since it is smaller than the sum of its proper divisors (6975102).

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

6930978 is a wasteful number, since it uses less digits than its factorization.

6930978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 6930978 is about 2632.6750654040. The cubic root of 6930978 is about 190.6623054463.

The spelling of 6930978 in words is "six million, nine hundred thirty thousand, nine hundred seventy-eight".