6981611 has 16 divisors (see below), whose sum is σ = 9100224. Its totient is φ = 5197824.

The previous prime is 6981599. The next prime is 6981613. The reversal of 6981611 is 1161896.

6981611 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6981611 - 2¹⁰ = 6980587 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6981613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710 + ... + 3803.

It is an arithmetic number, because the mean of its divisors is an integer number (568764).

Almost surely, 2^6981611 is an apocalyptic number.

6981611 is a deficient number, since it is larger than the sum of its proper divisors (2118613).

6981611 is a wasteful number, since it uses less digits than its factorization.

6981611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4550.

The product of its digits is 2592, while the sum is 32.

The square root of 6981611 is about 2642.2738313808. The cubic root of 6981611 is about 191.1254623735.

The spelling of 6981611 in words is "six million, nine hundred eighty-one thousand, six hundred eleven".