6191447 has 4 divisors (see below), whose sum is σ = 6201720. Its totient is φ = 6181176.

The previous prime is 6191443. The next prime is 6191461. The reversal of 6191447 is 7441916.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6191447 - 2² = 6191443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6191443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4172 + ... + 5457.

It is an arithmetic number, because the mean of its divisors is an integer number (1550430).

Almost surely, 2^6191447 is an apocalyptic number.

6191447 is a deficient number, since it is larger than the sum of its proper divisors (10273).

6191447 is an equidigital number, since it uses as much as digits as its factorization.

6191447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10272.

The product of its digits is 6048, while the sum is 32.

The square root of 6191447 is about 2488.2618431347. The cubic root of 6191447 is about 183.6245395912.

The spelling of 6191447 in words is "six million, one hundred ninety-one thousand, four hundred forty-seven".