6147891 has 12 divisors (see below), whose sum is σ = 8911032. Its totient is φ = 4084416.

The previous prime is 6147881. The next prime is 6147917. The reversal of 6147891 is 1987416.

It is not a de Polignac number, because 6147891 - 2¹⁰ = 6146867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6147821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2020 + ... + 4046.

It is an arithmetic number, because the mean of its divisors is an integer number (742586).

Almost surely, 2^6147891 is an apocalyptic number.

6147891 is a deficient number, since it is larger than the sum of its proper divisors (2763141).

6147891 is a wasteful number, since it uses less digits than its factorization.

6147891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370 (or 2367 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 6147891 is about 2479.4941016264. The cubic root of 6147891 is about 183.1929345654.

The spelling of 6147891 in words is "six million, one hundred forty-seven thousand, eight hundred ninety-one".