6611897 has 4 divisors (see below), whose sum is σ = 6825216. Its totient is φ = 6398580.

The previous prime is 6611893. The next prime is 6611921. The reversal of 6611897 is 7981166.

6611897 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 6611897 - 2² = 6611893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6611897.

It is not an unprimeable number, because it can be changed into a prime (6611893) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 106613 + ... + 106674.

It is an arithmetic number, because the mean of its divisors is an integer number (1706304).

Almost surely, 2^6611897 is an apocalyptic number.

It is an amenable number.

6611897 is a deficient number, since it is larger than the sum of its proper divisors (213319).

6611897 is a wasteful number, since it uses less digits than its factorization.

6611897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213318.

The product of its digits is 18144, while the sum is 38.

The square root of 6611897 is about 2571.3609237134. The cubic root of 6611897 is about 187.6903855820.

The spelling of 6611897 in words is "six million, six hundred eleven thousand, eight hundred ninety-seven".