6831697 has 4 divisors (see below), whose sum is σ = 7191280. Its totient is φ = 6472116.

The previous prime is 6831661. The next prime is 6831703. The reversal of 6831697 is 7961386.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7961386 = 2 ⋅3980693.

It is a cyclic number.

It is not a de Polignac number, because 6831697 - 2¹¹ = 6829649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6831397) 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 3 ways as a sum of consecutive naturals, for example, 179763 + ... + 179800.

It is an arithmetic number, because the mean of its divisors is an integer number (1797820).

Almost surely, 2^6831697 is an apocalyptic number.

It is an amenable number.

6831697 is a deficient number, since it is larger than the sum of its proper divisors (359583).

6831697 is a wasteful number, since it uses less digits than its factorization.

6831697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359582.

The product of its digits is 54432, while the sum is 40.

The square root of 6831697 is about 2613.7515184118. The cubic root of 6831697 is about 189.7475594843.

The spelling of 6831697 in words is "six million, eight hundred thirty-one thousand, six hundred ninety-seven".