6981086 has 16 divisors (see below), whose sum is σ = 12291936. Its totient is φ = 2910816.

The previous prime is 6981059. The next prime is 6981103. The reversal of 6981086 is 6801896.

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, 6221 + ... + 7256.

It is an arithmetic number, because the mean of its divisors is an integer number (768246).

Almost surely, 2^6981086 is an apocalyptic number.

6981086 is a deficient number, since it is larger than the sum of its proper divisors (5310850).

6981086 is a wasteful number, since it uses less digits than its factorization.

6981086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13523.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 6981086 is about 2642.1744832618. The cubic root of 6981086 is about 191.1206715316.

It can be divided in two parts, 69810 and 86, that added together give a palindrome (69896).

The spelling of 6981086 in words is "six million, nine hundred eighty-one thousand, eighty-six".