6981694 has 16 divisors (see below), whose sum is σ = 10780560. Its totient is φ = 3389760.

The previous prime is 6981671. The next prime is 6981697. The reversal of 6981694 is 4961896.

It is a super-2 number, since 2×6981694² = 97488102219272, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 6981694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6981697) 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 7 ways as a sum of consecutive naturals, for example, 10537 + ... + 11179.

It is an arithmetic number, because the mean of its divisors is an integer number (673785).

Almost surely, 2^6981694 is an apocalyptic number.

6981694 is a deficient number, since it is larger than the sum of its proper divisors (3798866).

6981694 is a wasteful number, since it uses less digits than its factorization.

6981694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795.

The product of its digits is 93312, while the sum is 43.

The square root of 6981694 is about 2642.2895375034. The cubic root of 6981694 is about 191.1262197608.

The spelling of 6981694 in words is "six million, nine hundred eighty-one thousand, six hundred ninety-four".