6981117 has 16 divisors (see below), whose sum is σ = 10936128. Its totient is φ = 3905280.

The previous prime is 6981103. The next prime is 6981133. The reversal of 6981117 is 7111896.

It is not a de Polignac number, because 6981117 - 2⁶ = 6981053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6981157) 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, 7708 + ... + 8565.

It is an arithmetic number, because the mean of its divisors is an integer number (683508).

Almost surely, 2^6981117 is an apocalyptic number.

It is an amenable number.

6981117 is a deficient number, since it is larger than the sum of its proper divisors (3955011).

6981117 is a wasteful number, since it uses less digits than its factorization.

6981117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16300.

The product of its digits is 3024, while the sum is 33.

The square root of 6981117 is about 2642.1803496355. The cubic root of 6981117 is about 191.1209544261.

The spelling of 6981117 in words is "six million, nine hundred eighty-one thousand, one hundred seventeen".